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 ethyl 6-[[6-(4-propan-2-yl-1,2,4-triazol-3-yl)pyridin-2-yl]carbamoyl]-1,3-dihydropyrrolo[3,4-c]pyridine-2-carboxylate is given. What is its corresponding molecular formula?
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C21H23N7O3
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