[{"from": "human", "value": "Could you provide a description of this molecule? [C][C@@H1][Branch2][Ring1][O][C@H1][Branch2][Ring1][Branch1][C@@H1][Ring1][Ring2][N][C][=N][C][=C][Ring1][Branch1][N][=C][Branch1][=Branch1][N][C][Ring1][=Branch1][=O][N][C][O][C][O]"}, {"from": "gpt", "value": "The molecule is a nucleoside analog of deoxyguanine with broad-spectrum antiviral activity. Lobucavir is phosphorylated in vivo to its triphosphate form and inhibits viral DNA polymerase and viral DNA replication."}]