[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][Branch2][Ring2][#Branch1][C][C@H1][C][C][C][=C][Branch2][Ring1][=N][C][=C][Branch1][O][C][=Branch1][#Branch1][=C][Ring1][=Branch1][O][Ring1][#Branch2][O][C][=Branch1][C][=O][C][=Branch1][=Branch1][=C][C][Ring1][O][=O][O][C][O][O]"}, {"from": "gpt", "value": "The molecule is a natural pigment produced by fungi, major tautomer defined by heteronuclear multiple bond correlation (HMBC). It is functionally related to a 1,4-naphthoquinone."}]