[{"from": "human", "value": "Provide a description of this molecule. [C][C][Branch1][C][C][Branch1][C][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a dimethylbutyric acid in which both methyl substituents are at C3; used as an intermediate in the synthesis of medicines and agricultural chemicals."}]