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