[{"from": "human", "value": "Describe this molecule. [C][=C][Branch1][=C][C][=Branch1][C][=O][N][C][=Branch1][C][=O][C][Ring1][Branch2][=N][C][=C][Branch1][=N][N][C][=Branch1][C][=O][C][=Branch1][Ring2][=C][Ring1][#Branch1][N][O]"}, {"from": "gpt", "value": "The molecule is a member of the class of pyridone that is a dimeric blue pigment biosynthesised from L-glutamine. It has a role as a bacterial metabolite and a biological pigment. It is a pyridone, a ring assembly, a dicarboximide and an enamine. It is functionally related to a L-glutamine."}]