You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [(2R,3S,5R)-3-hydroxy-5-[6-oxo-2-[[(7R,8R,9S,10R)-7,8,9-trihydroxy-7,8,9,10-tetrahydrobenzo[a]pyren-10-yl]amino]-1H-purin-9-yl]oxolan-2-yl]methyl phosphono hydrogen phosphate .
user
C30H29N5O13P2
assistant