You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(N-(3-bromo-4-methoxyphenyl)sulfonyl-4-methylanilino)-N-[1-(4-ethoxyphenyl)ethyl]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H29BrN2O5S
assistant