You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[2-(4-benzhydrylpiperazin-1-yl)-2-oxoethyl]-4-chloro-N-[(2-methylphenyl)methyl]benzenesulfonamide .
user
C33H34ClN3O3S
assistant