You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [(2R,3S,4R)-3,4-dihydroxy-5-[3-hydroxy-6-methoxy-2-[(7H-purin-6-ylamino)methyl]phenoxy]oxolan-2-yl]methyl dihydrogen phosphate into its molecular formula.
user
C18H22N5O10P
assistant