You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-(4-ethylphenyl)-6-(4-hydroxy-3,5-dimethoxyphenyl)-6a,9-diphenyl-4,6,10a,11,11a,11b-hexahydro-3aH-naphtho[6,7-e]isoindole-1,3,7,10-tetrone into its molecular formula.
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C44H39NO7
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