You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(benzenesulfonyl)-N-[5-(4-chlorophenyl)-3-(trifluoromethyl)pyrazol-1-yl]propanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H15ClF3N3O3S
assistant