[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a clear colorless liquids with a petroleum-like odor. Flash point 25 \u00b0F. Less dense than water and insoluble in water. Vapors heavier than air."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C]"}]