[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=C][Branch2][Ring1][=Branch2][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][=N][=O][O]"}, {"from": "gpt", "value": "The molecule is a member of the class of hydroxyanthraquinones that is anthracene-9,10-dione substituted by a hydroxy group at position 1 and a methyl group at position 2. It has been isolated from the roots of Rubia yunnanensis. It has a role as a plant metabolite."}]