You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-(4-chlorophenyl)-4-methyl-1,3-thiazol-5-yl]-[4-(ethylaminomethyl)piperidin-1-yl]methanone;dihydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H26Cl3N3OS
assistant