You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[3-[(3,4-dimethylphenyl)sulfonylamino]benzoyl]-N-(2-methylpropyl)piperidine-4-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H33N3O4S
assistant