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 3-[6-(difluoromethoxy)-4-[2-[(6-methylpyridazin-3-yl)amino]pyrazolo[1,5-a]pyridin-5-yl]pyridin-3-yl]oxy-2,2-dimethylpropanenitrile into its molecular formula.
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C23H21F2N7O2
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