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 4-[5-[[1-[2-(dimethylamino)ethyl]pyrazol-4-yl]methoxy]-1-benzofuran-2-yl]pyridine-3-carbonitrile into its molecular formula.
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C22H21N5O2
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