You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(3,5-dimethyl-1-phenylpyrazol-4-yl)methyl]-3-(trifluoromethyl)benzenesulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H18F3N3O2S
assistant