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 3-[(4-fluorobenzoyl)amino]-N-[1-(quinoxaline-2-carbonyl)piperidin-4-yl]pyrazine-2-carboxamide is given. What is its corresponding molecular formula?
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C26H22FN7O3
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