You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 5-chloro-6-[[4-[[3-(3,5-difluorophenyl)-3,4-dihydropyrazol-2-yl]-hydroxymethyl]-2-bicyclo[2.1.1]hexanyl]methoxy]pyridine-3-carbonitrile into molecular formula.
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C23H21ClF2N4O2
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