You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[3-(difluoromethoxy)phenoxy]-N-[[3-(1,1,2,2,2-pentafluoroethyl)phenyl]methyl]aniline The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H16F7NO2
assistant