[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a medium-chain fatty acid anion that is the conjugate base of 2-oxohexanoic acid. It is a 2-oxo monocarboxylic acid anion and an oxo fatty acid anion. It is functionally related to a hexanoate. It is a conjugate base of a 2-oxohexanoic acid."}]