[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch2][Branch1][Branch2][O][C][C@@H1][C][C][=C][C][=Branch2][Ring2][N][=C][Branch2][Ring2][#Branch1][C][=Branch2][Ring1][P][=C][Ring1][=Branch1][C@@H1][Branch1][Branch2][C@H1][Ring1][#Branch2][C][O][Ring1][#C][C][=C][C][=Branch1][=N][=C][Branch1][=Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][O][O][C][O][C][O][O][C][C]"}, {"from": "gpt", "value": "The molecule is a lignan isolated from the stems of Sinocalamus affinis. It has a role as a plant metabolite. It is a lignan, an organic heterotricyclic compound, an oxacycle, a dimethoxybenzene and a member of phenols."}]