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,3S,4R,5R)-2-[(R)-3-bicyclo[4.2.0]octanyl(hydroxy)methyl]-5-[4-(2-hydroxyethyl)-1,2,3,4,4a,5,6,7a-octahydropyrrolo[2,3-d]pyrimidin-7-yl]oxolane-3,4-diol using the IUPAC nomenclature.
user
C21H37N3O5
assistant