You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 2-amino-9-[5-[[5-(6-aminopurin-9-yl)-4-hydroxy-2-(3-phosphanylprop-2-ynoxy)oxolan-3-yl]methylphosphanylmethyl]-4-hydroperoxy-3-hydroxyoxolan-2-yl]-1H-purin-6-one ?
user
C23H28N10O8P2
assistant