[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][Ring1][Ring1][N][C][=C][C][=Branch1][=Branch2][=N][C][=Branch1][Ring2][=N][Ring1][=Branch1][N][N][Branch1][Branch1][C][=N][Ring1][=Branch2][C@@H1][C][C@@H1][Branch1][Branch1][C][=C][Ring1][Branch1][C][O]"}, {"from": "gpt", "value": "The molecule is a nucleoside reverse transcriptase inhibitor analog of guanosine. This agent decreases HIV viral loads, retards or prevents the damage to the immune system, and reduces the risk of developing AIDS."}]