You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-(aminomethyl)-4-methoxypiperidin-1-yl]-(4,5,6,7-tetrahydro-1-benzothiophen-4-yl)methanone;hydrochloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H25ClN2O2S
assistant