You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule N-[4-[3-cyano-4-[3,3-difluoro-1-(5-oxopyrrolidine-2-carbonyl)piperidin-4-yl]oxyphenyl]pyridin-2-yl]cyclopropanecarboxamide into molecular formula.
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C26H25F2N5O4
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