You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(5-ethylsulfanyl-1,3,4-thiadiazol-2-yl)-2-(3-methoxypiperidin-1-yl)acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H20N4O2S2
assistant