[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is an apo carotenoid compound arising from oxidative degradation of the beta,beta-carotene skeleton at the 13-position. It is an apo carotenoid and an enone."}, {"from": "gpt", "value": "[C][C][=C][Branch1][=N][C][Branch1][=Branch1][C][C][C][Ring1][=Branch1][Branch1][C][C][C][/C][=C][/C][=Branch1][=Branch2][=C][/C][=C][/C][=Branch1][C][=O][C][/C]"}]