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 3-[(Z)-(3-methoxypyrrol-2-ylidene)methyl]-1,4-dimethyl-4,5,6,7-tetrahydro-2H-isoindole;hydrochloride ?
user
C16H21ClN2O
assistant