You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (3aS,6R,11aS,11bR)-2-(4-acetylphenyl)-6-(4-hydroxy-2,6-dimethoxyphenyl)-9-methyl-3a,4,6,11,11a,11b-hexahydronaphtho[6,7-e]isoindole-1,3,7,10-tetrone into molecular formula.
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C33H29NO8
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