You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(3R,5R)-3,5-dimethylpiperidin-1-yl]sulfonyl-N-[4-(tetrazol-1-yl)phenyl]benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C21H24N6O3S
assistant