You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 5-[3-(4-chlorophenyl)-3-oxopropyl]-N-[15-[3-(ethylamino)propylamino]-6-oxopentadecyl]thiophene-2-sulfonamide .
user
C33H52ClN3O4S2
assistant