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 5-ethyl-N-[2-(1-methylbenzimidazol-2-yl)ethyl]-4-oxo-1,2,3,3a,5a,6,7,8,9,9a-decahydropyrazolo[1,5-a]quinoxaline-7-carboxamide is given. What is its corresponding molecular formula?
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C23H32N6O2
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