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Under IUPAC nomenclature, a molecule named ethyl (3R)-1-[2-[(3S)-5-(2,4-dimethylphenyl)-3-(2-methylphenyl)-3,4-dihydropyrazol-2-yl]-2-oxoethyl]piperidine-3-carboxylate is given. What is its corresponding molecular formula?
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C28H35N3O3
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