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-[2-(3-fluoropyrrolidin-1-yl)-4-phenylpyridin-3-yl]-4,5,6,7-tetrahydro-1H-benzimidazole .
user
C22H23FN4
assistant