You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (3R,3aR,4S,4aR,5R,9aR)-3-[(4-benzylpiperidin-1-yl)methyl]-4-hydroxy-4a,5-dimethyl-3,3a,4,5,6,7,9,9a-octahydrobenzo[f][1]benzofuran-2-one into molecular formula.
user
C27H37NO3
assistant