You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(1H-benzimidazol-2-yl)-N-[1-[5-(3,3-difluoropyrrolidine-1-carbonyl)thiophen-2-yl]ethyl]cyclopropane-1-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H22F2N4O2S
assistant