You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name (4R)-N-(2-aminoethyl)-4-(3,4-difluorophenyl)-1,6-dimethyl-2-oxo-3,4-dihydropyridine-5-carboxamide into its molecular formula.
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C16H19F2N3O2
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