[{"from": "human", "value": "Please give me some details about this molecule. [C][O][C][=C][Branch2][Ring2][=Branch2][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C@@H1][C@@H1][C][O][C@H1][Branch1][O][C@H1][Ring1][Branch1][C@@H1][Branch1][Ring2][O][Ring1][Branch2][O][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O][C][O]"}, {"from": "gpt", "value": "The molecule is a lignan that is pinoresinol substituted by a hydroxy group at position 4. It has been isolated from the roots of Scorzonera judaica. It has a role as a plant metabolite. It is a furofuran, a lignan and a member of guaiacols. It is functionally related to a pinoresinol."}]