[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=C][C][=Branch1][C][=O][O][Ring1][Branch2]"}, {"from": "gpt", "value": "The molecule is a chromenone having the keto group located at the 2-position. It has a role as a fluorescent dye, a plant metabolite and a human metabolite."}]