[{"from": "human", "value": "Provide a description of this molecule. [C][C][Branch1][C][C][C][=N][C][=Branch1][Branch1][=C][S][Ring1][Branch1][C][N][Branch1][C][C][C][=Branch1][C][=O][N][C@@H1][Branch1][O][C][C][N][C][C][O][C][C][Ring1][=Branch1][C][=Branch1][C][=O][N][C@H1][Branch2][Ring1][=N][C][C][C@H1][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][O][C][C][=C][N][=C][S][Ring1][Branch1][C][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a prescription medicine approved by the U.S. Food and Drug Administration (FDA) for use in adults and children along with the HIV medicines atazanavir (brand name Reyataz) or darunavir (brand name Prezista). Cobicistat is not active against HIV and is only used as a pharmacokinetic enhancer to boost the activity of other HIV medicines."}]