You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[N-(benzenesulfonyl)-3-methylanilino]-N-[2-[(2,6-dichlorophenyl)methylsulfanyl]ethyl]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H24Cl2N2O3S2
assistant