You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(2,4-dimethylphenyl)sulfonylamino]-N-[4-[(4-ethylpiperazin-1-yl)methyl]phenyl]propanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H34N4O3S
assistant