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 [2-[N-(2-cyanoethyl)anilino]-2-oxoethyl] 2-methylpyrazolo[1,5-a]pyrimidine-3-carboxylate is given. What is its corresponding molecular formula?
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C19H17N5O3
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