[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a mild hypnotic that is used to treat simple insomnia. Despite many years of use, chloral hydrate has not been implicated in causing serum enzyme elevations or clinically apparent liver injury."}, {"from": "gpt", "value": "[C][Branch1][=Branch2][C][Branch1][C][Cl][Branch1][C][Cl][Cl][Branch1][C][O][O]"}]