[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][O][C][C][C][C][C][C][=Branch1][C][=O][O][C][C][C][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an alpha,omega-dicarboxylic acid that is undecane substituted by carboxylic acid groups at positions C-1 and C-11. It has a role as a metabolite."}]