You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-[[(2R,3R)-2-(3,4-difluorophenyl)-1-methylpyrrolidin-3-yl]amino]pyridine-3-carbonitrile .
user
C17H16F2N4
assistant