You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name butyl 3-[[2-(5-cyanopyrazolo[1,5-a]pyridin-3-yl)pyrimidin-4-yl]amino]piperidine-1-carboxylate into its molecular formula.
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C22H25N7O2
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