You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 2-[4-[2-(2,5-dimethoxyphenyl)ethenyl]phenyl]-6-(4-hydroxy-2-methoxyphenyl)-6a-methyl-8-phenyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone into molecular formula.
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C44H40N2O8
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