You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule propan-2-yl 4-(4-chlorophenyl)-1-[(2,6-difluorophenyl)methyl]-6-methyl-2-oxo-3,4-dihydropyridine-5-carboxylate into molecular formula.
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C23H22ClF2NO3
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