[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is an odorless light yellow thick liquid. Sinks and mixes with water. Freezing point is 45 \u00b0F. (USCG, 1999)"}, {"from": "gpt", "value": "[C][Branch1][Ring1][C][O][/C][=C][/O]"}]