You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(2-chloro-N-methylsulfonylanilino)-N-[(Z)-(4-hydroxy-3-methoxyphenyl)methylideneamino]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H18ClN3O5S
assistant