You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[(Z)-1-(4-chlorophenyl)-3-[3-[2-(4-nitroanilino)-2-oxoethyl]sulfanylanilino]-3-oxoprop-1-en-2-yl]benzamide into its molecular formula.
user
C30H23ClN4O5S
assistant