[{"from": "human", "value": "Describe this molecule. [C][C@H1][C@H1][Branch2][Ring2][O][C@@H1][Branch2][Ring1][Ring2][O][C@@H1][Ring1][Branch1][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O][C][C][=C][C][=Branch1][=N][=C][Branch1][=Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][O][O][C][C]"}, {"from": "gpt", "value": "The molecule is a lignan that is 3,4-dimethyloxolane substituted by a 2-methoxyphenol group at position 5 and a 2,6-dimethoxyphenol group at 2. It has been isolated from the bark of Machilus robusta. It has a role as a plant metabolite. It is a lignan, a dimethoxybenzene, a member of phenols and a member of oxolanes."}]