You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(3-chloro-N-(4-methylphenyl)sulfonylanilino)-N-[(1R)-1-(4-methoxy-3-methylphenyl)propyl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H29ClN2O4S
assistant