[{"from": "human", "value": "Could you provide a description of this molecule? [C][=N][C][=C][Branch2][Ring1][O][N][Ring1][Branch1][C@H1][C@@H1][Branch2][Ring1][C][C@@H1][Branch1][=C][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][N+1][=Branch1][C][=O][O-1][O][O][N][=C][Branch1][#Branch1][N][C][Ring2][Ring1][Ring1][=O][N]"}, {"from": "gpt", "value": "The molecule is guanosine substituted at the ribosyl 5'-position by a nitro group."}]