[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][Ring1][Ring1][C][#C][C@][Branch2][Ring1][=Branch1][C][=C][Branch1][#Branch2][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][Cl][N][C][=Branch1][C][=O][O][Ring1][N][C][Branch1][C][F][Branch1][C][F][F]"}, {"from": "gpt", "value": "The molecule is a nonnucleoside reverse transcriptase inhibitor used in combination with other agents in the therapy of human immunodeficiency virus (HIV) infection. Efavirenz is associated with a low rate of serum enzyme elevations during therapy and is an uncommon, but well established cause of clinically apparent acute liver injury."}]