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 diethyl 2-(2-iminoethylsulfinylmethyl)-6-methyl-4-(3-nitrophenyl)-2,3,4,5-tetrahydropyridine-3,5-dicarboxylate into its molecular formula.
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C21H27N3O7S
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