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)-5-[(1R,2R,3S)-3-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-2-(4-fluorophenyl)cyclopentyl]-3-(dimethylamino)pyrrolidin-2-one by IUPAC nomenclature, provide its molecular formula.
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C27H29F7N2O2
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