You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[N-(benzenesulfonyl)-2,3-dichloroanilino]-N-[(Z)-1-(4-chlorophenyl)ethylideneamino]acetamide into its molecular formula.
user
C22H18Cl3N3O3S
assistant