[{"from": "human", "value": "Provide a description of this molecule. [C][C][=C][Branch1][=N][C][Branch1][=Branch1][C][C][C][Ring1][=Branch1][Branch1][C][C][C][/C][=C][/C][=Branch2][Ring1][#C][=C][/C][=C][/C][=Branch2][Ring1][#Branch1][=C][/C][=C][/C][=C][Branch1][C][\\C][/C][=C][/C][=C][Branch1][C][\\C][/C][=C][/C][=Branch1][C][=O][C][/C][/C]"}, {"from": "gpt", "value": "The molecule is an apo carotenoid compound arising from oxidative degradation of the beta,beta-carotene skeleton at the 1'- and 6'-positions. It has a role as a food colouring. It is an apo carotenoid and an enone."}]