You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-[(2R)-4-(2-chlorophenyl)butan-2-yl]-7-(1,5-dimethylpyrazol-4-yl)pyrazolo[1,5-a]pyrimidine-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C22H23ClN6O
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