You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3R,5aR,8aS,8bR)-7-(1-benzylpiperidin-4-yl)-3-[(3E)-3-[[5-(hydroxymethyl)furan-2-yl]methylidene]pentyl]-4-(phenoxymethyl)-1,3,5,5a,8a,8b-hexahydrofuro[3,4-e]isoindole-6,8-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C40H46N2O6
assistant