[{"from": "human", "value": "Describe this molecule. [C][=N][C][=Branch2][Ring1][S][=C][C][=Branch1][Ring2][=N][Ring1][=Branch1][N][Branch1][Branch1][C][=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]"}, {"from": "gpt", "value": "The molecule is a purine nucleoside in which adenine is attached to arabinofuranose via a beta-N(9)-glycosidic bond. It has a role as an antineoplastic agent, a bacterial metabolite and a nucleoside antibiotic. It is a purine nucleoside and a beta-D-arabinoside. It is functionally related to an adenine."}]