[{"from": "human", "value": "Provide a brief overview of this molecule. [C][N][Branch1][C][C][C][C][C@@H1][Branch1][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][Br][C][=C][C][=C][C][=N][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is an antihistamine agent that is used for the treatment of allergic conditions, such as hay fever or urticaria."}]