You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (2R,3R,4S,5R)-2-[6-(oxan-4-ylamino)purin-9-yl]-5-(trifluoromethoxymethyl)oxolane-3,4-diol using the IUPAC nomenclature.
user
C16H20F3N5O5
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