[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule appears as a mixture of isomers. A clear colorless liquid with a banana-like odor. Flash point varies from 65 \u00b0F to 95 \u00b0F. Less dense (at 7.2 lb / gal) than water and slightly soluble in water. Hence floats on water. Vapors heavier than air."}, {"from": "gpt", "value": "[C][C][C][C][C][O][C][=Branch1][C][=O][C]"}]