[{"from": "human", "value": "What can you tell me about this molecule? [C][N][Branch1][C][C][C][C][C][Branch1][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][Br][C][=C][C][=C][C][=N][Ring1][=Branch1]"}, {"from": "gpt", "value": "Histamine H1 antagonist used in treatment of allergies, rhinitis, and urticaria."}]