You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 6-[4-(fluoromethoxy)phenyl]-4-(4-fluorophenyl)-1,3-dimethylpyrrolo[2,3-c]pyridin-7-one into molecular formula.
user
C22H18F2N2O2
assistant