[{"from": "human", "value": "Describe this molecule. [C][=C][O][C][=Branch1][Ring2][=C][Ring1][Branch1][C][=O]"}, {"from": "gpt", "value": "The molecule appears as colorless or reddish-brown mobile liquids with a penetrating odor. Flash points 140 \u00b0F. Denser than water and soluble in water. Vapors heavier than air. May be toxic by ingestion, skin absorption or inhalation."}]