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 2-[(4-methylsulfonylphenyl)methyl]-1,3,3a,4,5,6,7,7a-octahydroisoindol-4-amine;hydrochloride .
user
C16H25ClN2O2S
assistant