Unlike Fars and Tasnim, unfortunately, negotiations (albeit through mediators) are definitely taking place on the sidelines of the UN.
Pazhkian spilled the beans to NBC and Fox News, admitting Iran's various weaknesses (no oil sales / limited exports) and the intention to reach an agreement soon, which would significantly reduce Iran's leverage.
The whole circus is a mishap and the trip to New York should never have been happy in the first place.