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,5aR,8aS,8bR)-3-[(3E)-3-[(4-hydroxynaphthalen-1-yl)methylidene]hexyl]-4-methyl-7-propyl-1,3,5,5a,8a,8b-hexahydrofuro[3,4-e]isoindole-6,8-dione into molecular formula.
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C31H37NO4
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