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 (4R)-6-[2-(cyclohexen-1-yl)ethyl]-4-(4-phenylmethoxyphenyl)-1,3,4,7-tetrahydropyrrolo[3,4-d]pyrimidine-2,5-dione into molecular formula.
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C27H29N3O3
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