You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [2-(hydroxymethyl)-4-(6-methyl-2H-purin-2-id-9-yl)cyclopentyl]methyl dihydrogen phosphate;yttrium(3+) .
user
C13H18N4O5PY+2
assistant