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-methyl-2-[2-(5-methyl-4-nitropyrazol-1-yl)propanoylamino]thiophene-3-carboxylate is given. What is its corresponding molecular formula?
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C14H16N4O5S
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