You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[1-(3,4-dimethylphenyl)sulfonylpiperidin-4-yl]-[4-(pyridin-4-ylmethyl)piperazin-1-yl]methanone is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H32N4O3S
assistant