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 [(2R,3S,4R,5R)-5-(2-amino-6-sulfanylidene-3H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl] methyl phosphono phosphate .
user
C10H15N5O10P2S
assistant