You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-(2-chloro-6-fluorophenyl)-2-(dimethylamino)ethyl]-1-(2,4-dimethylphenyl)sulfonylpiperidine-4-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H31ClFN3O3S
assistant