[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule appears as a liquid with a sharp odor. Less dense than water. Mildly toxic by ingestion and inhalation. Severely irritates the skin and eyes. Used to make other chemicals."}, {"from": "gpt", "value": "[C][C][Branch1][Ring1][O][C][O][C]"}]