[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=C][C][=Branch2][Ring2][=Branch1][=C][C][=Branch2][Ring1][S][=C][Ring1][=Branch1][O][C][=N][C][=Branch1][#Branch2][=N][C][=Branch1][Branch1][=C][Ring1][=Branch1][Br][N][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][#N][C][C][#N]"}, {"from": "gpt", "value": "The molecule is a prescription medicine approved by the U.S. Food and Drug Administration (FDA) for the treatment of HIV infection in adults and children 2 years of age and older who weigh at least 22 lb (10 kg) and who have taken HIV medicines in the past. Etravirine is always used in combination with other HIV medicines."}]