[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an oily colorless liquid with a mild sweet odor. Floats and mixes slowly with water. (USCG, 1999)"}, {"from": "gpt", "value": "[C][C][Branch1][#Branch2][C][C][Branch1][C][C][Branch1][C][C][O][O]"}]