[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is an enone that is hex-3-ene in which the methylene hydrogen atoms at position 2 have been replaced by an oxo group. It has a role as a plant metabolite. It is an enone, a methyl ketone and a volatile organic compound."}, {"from": "gpt", "value": "[C][C][/C][=C][/C][=Branch1][C][=O][C]"}]