A nuclear deal between Iran and the West was possible within the next five weeks, Iranian President Hassan Rowhani said Saturday.

“I am sure that with the necessary goodwill it is possible to reach an ideal agreement within the next five weeks,” he said at a press conference in Tehran.

The target date for a comprehensive agreement between Iran and six world powers — Britain, China, France, Russia, the United States and Germany — to end the decade—long row over Iran’s nuclear activities is July 20.

“We will continue the talks even if we do not reach an agreement. No disaster will happen,” said Mr. Rowhani, according to Iran’s ISNA news agency.

The next round of negotiations between the two sides is slated to begin Monday in Vienna.

In November, the parties reached an interim deal under which Iran agreed to limit its uranium enrichment programme and reduce some levels of enrichment in exchange for some relief from international sanctions.

The US and its allies are seeking an agreement to guarantee that Iran will use its nuclear programme solely for peaceful purposes. Tehran has insisted that it is not seeking nuclear weapons.

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