You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(4-acetamidophenyl)sulfonyl-(2-phenylethyl)amino]-N-[(Z)-(4-chlorophenyl)methylideneamino]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H25ClN4O4S
assistant