[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. An ethanolamine-derivative, first generation histamine H1 antagonist used in hay fever, rhinitis, allergic skin conditions, and pruritus. It causes drowsiness."}, {"from": "gpt", "value": "[C][C@@][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][Branch1][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][Cl][O][C][C][C@H1][C][C][C][N][Ring1][Branch1][C]"}]