You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-[4-(difluoromethoxy)phenyl]ethyl]-1-(3,5-dimethylbenzoyl)piperidine-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H28F2N2O3
assistant