Iranian Foreign Minister Mohammad Javad Zarif, who is on a three-stop tour for exchanging views with the other signatory states of the JCPOA than US after the unilateral withdrawal of US President Trump from the agreement, commented on his first two stops on his Twitter page.
China was closely involved in negotiating the agreement as one of the five permanent members of the United Nations Security Council and has always been a close Iranian economic partner, buying about a third of Iran's oil shipments.
"Our meeting with Iranian Foreign Minister Zarif in Brussels is a chance to discuss how we can continue to support sanctions relief with Iran while they maintain their nuclear agreement obligations, but also raise our worries about Iran's wider, disruptive behavior in the Middle East region", Johnson said.
"The wealth that was created in Iran as a result of the JCPOA drove Iranian malign activity".
Bolton expressed optimism that European allies will follow Trump's lead and exit the deal, despite the assertions of the leaders of France, the United Kingdom, and Germany that they intend to remain in the agreement.
Bolton's comments come despite pledges from European leaders across the board that they will uphold the agreement, even after President TrumpDonald John TrumpUS paid Trump's Scottish resort for VIP hotel stays: report Michael Avenatti tweets, then deletes, Fox News booker's phone number Former Trump aide working with Russian company to lift United States sanctions: report MORE announced last week the USA would no longer honor it.
The 2015 agreement sought to curb Iran's nuclear programme in return for the lifting of economic sanctions.
In the past week, it has slapped a new series of sanctions against Iran.
"I think the Europeans will see that it's in their interests to come along with us", Bolton said on CNN's "State of the Union".
Le Drian expressed France's "determination to fight" so that the USA decisions don't hurt those companies that have invested in Iran.
"[But] if the nuclear deal is to continue, the interests of the people of Iran must be assured".
"We'll outline what we might be able to do to keep trade flowing, but we'll tell them (Iran) that they should be under no illusion about our ability to influence American policy and to influence the economic situation." the diplomat said.
Germany - along with France and Britain - has said it remains committed to the nuclear deal.
A number of voices in Iran have suggested the deal is unlikely to survive.
"The Europeans have between 45 and 60 days to give the necessary guarantees to safeguard Iranian interests and compensate the damages caused by the USA pullout", Icana.ir reported.
But European diplomats were despondent.