[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][O][C][=C][Branch2][Ring2][C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C@H1][C@@H1][C][O][C@H1][Branch1][Branch2][C@@H1][Ring1][Branch1][C][O][Ring1][Branch2][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O]"}, {"from": "gpt", "value": "The molecule is a lignane that is the demethoxy derivative of (-)-pinoresinol. Isolated from Balanophora abbreviata, it exhibits inhibitory activity against nitric oxide synthase. It has a role as an EC 1.14.13.39 (nitric oxide synthase) inhibitor and a plant metabolite. It is a furofuran, a polyphenol, an aromatic ether and a lignan. It is functionally related to a (-)-pinoresinol."}]