[{"from": "human", "value": "Provide a brief overview of this molecule. [C][O][C][Cl]"}, {"from": "gpt", "value": "The molecule appears as a clear colorless liquid. Flash point -4 \u00b0F. Irritates the eyes and respiratory system. Very toxic by inhalation and may be toxic by ingestion or skin absorption. Vapors are heavier than air."}]