[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a sedative and hypnotic drug. It has been used to treat insomnia, but has been largely superseded and is only offered where an intolerance or allergy to other drugs exists."}, {"from": "gpt", "value": "[C][C][C][Branch1][Ring2][/C][=C][/Cl][Branch1][Ring1][C][#C][O]"}]