[{"from": "human", "value": "Provide a description of this molecule. [C][=C][N][Branch1][#Branch2][C][=Branch1][C][=O][N][=C][Ring1][#Branch1][N][C@H1][/C][=Branch1][Ring1][=C][/F][/C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][#Branch1][C][O][O]"}, {"from": "gpt", "value": "A synthetic purine nucleoside analogue with potential antineoplastic activity."}]