You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule [4-(cyclopropylmethylamino)piperidin-1-yl]-(4,5,6,7,8,9-hexahydrocycloocta[b]thiophen-2-yl)methanone;hydrochloride ?
user
C20H31ClN2OS
assistant