You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-(aminomethyl)piperidin-1-yl]-(2,4-dimethyl-1,3-thiazol-5-yl)methanone;dihydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H21Cl2N3OS
assistant