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 (4S)-N-(2,4-dimethylphenyl)-4-(4-ethoxyphenyl)-6-methyl-2-oxo-3,4-dihydro-1H-pyrimidine-5-carboxamide into its molecular formula.
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C22H25N3O3
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