You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name ethyl (4S)-4-(4-chlorophenyl)-6-methyl-1-[2-[[(2R)-3-methylbutan-2-yl]amino]-2-oxoethyl]-2-oxo-3,4-dihydropyridine-5-carboxylate into its molecular formula.
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C22H29ClN2O4
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