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 [(2S)-1-[benzyl(methyl)amino]-1-oxopropan-2-yl] 6-nitro-2,3-dihydro-1,4-benzodioxine-7-carboxylate into its molecular formula.
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C20H20N2O7
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