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 (2R,4R)-6-chloro-4-hydroxy-N-[3-[4-[2-(trifluoromethoxy)ethoxy]pyrazol-1-yl]-1-bicyclo[1.1.1]pentanyl]-3,4-dihydro-2H-chromene-2-carboxamide into molecular formula.
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C21H21ClF3N3O5
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