[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule has also been used in veterinary applications. One of the most widely used of the classical antihistaminics, it generally causes less drowsiness and sedation than promethazine."}, {"from": "gpt", "value": "[C][N][Branch1][C][C][C][C][C][Branch1][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][Cl][C][=C][C][=C][C][=N][Ring1][=Branch1]"}]