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 (1S,4aS,8aR)-1-(3-phenylmethoxyphenyl)-2,3,4,5,6,7,8,8a-octahydro-1H-isoquinolin-4a-ol ?
user
C22H27NO2
assistant