[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule appears as a clear colorless liquid with a petroleum-like odor. Flash point 57 \u00b0F. Boiling point 97 \u00b0F. Less dense than water and insoluble in water. Hence floats on water. Vapors are heavier than air."}, {"from": "gpt", "value": "[C][C][C][C][C]"}]