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 ethyl (4S)-6-methyl-2-oxo-4-(2,4,6-trimethylphenyl)-3,4-dihydro-1H-pyrimidine-5-carboxylate into molecular formula.
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C17H22N2O3
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