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-[[[(2R,3R,4R,5R)-2-(2-amino-6-oxo-1H-purin-9-yl)-4-hydroxy-5-(2-hydroxyethyl)oxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxy-5-[6-(methylamino)purin-9-yl]oxolan-3-yl]oxy-hydroxy-oxophosphanium using the IUPAC nomenclature.
user
C22H29N10O13P2+
assistant