You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 5-pyridin-2-yl-2-[3-[[5-(trifluoromethyl)pyridin-2-yl]amino]pyrrolidin-1-yl]benzamide into molecular formula.
user
C22H20F3N5O
assistant