[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=Branch1][C][=O][O][C][C][=C]"}, {"from": "gpt", "value": "The molecule appears as a liquid. Insoluble in water and slightly less dense than water. Hence floats on water. Poisonous by ingestion and moderately toxic by inhalation and skin contact. Irritating to skin and eyes."}]