[{"from": "human", "value": "Describe this molecule. [H+1].[H+1].[C][Branch1][Branch2][C][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a natural product found in Populus tremula, Isatis tinctoria, and other organisms with data available."}]