[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][O][C][=Branch1][C][=O][C][=Branch1][C][=C][C]"}, {"from": "gpt", "value": "The molecule appears as a colorless moderately toxic liquid with an acrid odor. Flash point of 70 \u00b0F. Boiling point 278 \u00b0F. Vapors irritate the eyes and respiratory system. Less dense than water. Not soluble in water. Used to make polymers and other chemicals."}]