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Name the molecular formula for the molecule established as 2-ethoxyethyl (4R,7R)-7-(4-methoxyphenyl)-2-methyl-5-oxo-4-pyridin-3-yl-4,6,7,8-tetrahydro-1H-quinoline-3-carboxylate using the IUPAC nomenclature.
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C27H30N2O5
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