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 5-acetyl-2-[2-(diethylamino)-2-oxoethyl]-4-methyl-1H-pyrrole-3-carboxylate is given. What is its corresponding molecular formula?
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C15H22N2O4
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