You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(5-ethyl-1,3,4-thiadiazol-2-yl)-4-hydrazinyl-2,6-dimethylbenzenesulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H17N5O2S2
assistant