[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule appears as a liquid with a sharp odor. Less dense than water. Flash point 34 \u00b0F. Mildly toxic by ingestion and inhalation. Severely irritates skin and eyes. Vapors heavier than air. Used to make other chemicals."}, {"from": "gpt", "value": "[C][O][C][C][O][C]"}]