[{"from": "human", "value": "Could you provide a description of this molecule? [C][N][Branch1][C][C][C][C][N][Branch1][=C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C][=C][C][=C][C][=N][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a first generation antihistamine. However, it rapidly permeates the brain and so often causes drowsiness as a side effect. It has been found in over-the-counter combination products for colds and menstrual symptoms, but is considered to be an unapproved prescription medication used for cough, cold, or allergic conditions."}]