You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-methoxy-3-(methylaminomethyl)-N-(5-methyl-1,3,4-thiadiazol-2-yl)benzenesulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H16N4O3S2
assistant