[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][O][C][=C][C][=Branch1][O][=C][C][=Branch1][Branch1][=C][Ring1][=Branch1][O][O][C][C][C][C][O][C][Branch1][Branch2][C][Ring1][Branch1][C][O][Ring1][Branch2][C][=C][C][=Branch1][=N][=C][Branch1][=Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][O][O][C]"}, {"from": "gpt", "value": "The molecule is a lignan that is 7,9':7',9-diepoxylignane substituted by hydroxy groups at positions 4 and 4' and methoxy groups at positions 3, 3', 5 and 5' respectively. It has a role as a plant metabolite. It is a lignan, a polyphenol, an aromatic ether, a furofuran and a polyether."}]