[{"from": "human", "value": "What can you tell me about this molecule? [C][=N][C][=C][Branch2][Ring1][Branch1][N][Ring1][Branch1][C@H1][C@@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][O][O][N][C][=Branch1][C][=O][N][C][Ring1][P][=O]"}, {"from": "gpt", "value": "The molecule is a purine nucleoside in which xanthine is attached to ribofuranose via a beta-N(9)-glycosidic bond. It has a role as a human metabolite, an Escherichia coli metabolite and a mouse metabolite. It is a member of xanthosines and a purines D-ribonucleoside."}]