[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule appears as a colorless or yellow colored liquid. Less dense than water. Vapors are heavier than air. Used as a solvent in paints and varnishes."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][C][C][=Branch1][C][=O][C]"}]