You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 9-[(4-fluorophenyl)methyl]-1,2,3,3a,4,5,9,10-octahydropyrrolo[2,3-e]isoquinoline;hydrochloride .
user
C18H22ClFN2
assistant