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Under IUPAC nomenclature, a molecule named 6-[(3R,5S)-1-acetyl-3-methoxy-5-methylpyrrolidin-3-yl]-4-[[(1R)-1-[3-(difluoromethyl)-2-fluorophenyl]ethyl]amino]-8-methylpyrido[2,3-d]pyrimidin-7-one is given. What is its corresponding molecular formula?
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C25H28F3N5O3
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