You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[2-[(4-chlorophenyl)sulfonyl-methylamino]acetyl]-[(4-methylphenyl)methyl]amino]-N-cyclohexylbutanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H36ClN3O4S
assistant