[{"from": "human", "value": "Provide a brief overview of this molecule. [C][O][C][=C][Branch2][Ring2][#Branch1][C][=C][C@@H1][Branch2][Ring1][C][C@H1][Branch1][=N][C@@H1][Branch1][Branch2][C][C][Ring1][=Branch1][=C][Ring1][#Branch2][C][O][C][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 5,6,7,8-tetrahydronaphthalen-2-ol substituted by hydroxymethyl groups at positions 6 and 7, a methoxy group at position 3 and a 4-hydroxy-3-methoxyphenyl group at position 8. It has been isolated from the roots of Rubia yunnanensis. It has a role as a plant metabolite. It is a lignan, a polyphenol, a primary alcohol and a member of guaiacols."}]