You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (3R,3aS,6aR)-2-phenyl-5-(4-propoxyphenyl)-3-(2,4,5-trimethoxyphenyl)-3a,6a-dihydro-3H-pyrrolo[3,4-d][1,2]oxazole-4,6-dione by IUPAC nomenclature, provide its molecular formula.
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C29H30N2O7
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