[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][C][C][=O]"}, {"from": "gpt", "value": "The molecule appears as a colorless liquid. Slightly soluble in water and less dense than water. Flash point 54 \u00b0F. Vapors heavier than air. Used to make artificial flavorings and rubber."}]