[{"from": "human", "value": "Provide a description of this molecule. [C][C][C@@H1][Branch2][Ring1][#C][N][Branch1][Ring2][C][Ring1][Branch1][C][=Branch1][C][=O][C][C][C][C][C][=Branch1][C][=O][N][C][C][C][C@@H1][Ring1][Branch1][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule has been used in trials studying the prevention of HIV."}]