[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a clear brown liquid characterized by a rose-orange odor. Insoluble in water. Found in at least 20 essential oils, including rose and citrus oils and several species of pine oil."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][=O]"}]