You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-[1-(4-fluorophenyl)-5-propan-2-ylpyrazol-4-yl]-3-[5-methyl-3-(trifluoromethyl)pyrazol-1-yl]pyrrolidin-2-ol by IUPAC nomenclature, provide its molecular formula.
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C21H23F4N5O
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