You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named methyl 1-[2-[[2-(2,3-dimethylanilino)-2-oxoethyl]amino]-2-oxoethyl]piperidine-4-carboxylate is given. What is its corresponding molecular formula?
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C19H27N3O4
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