[{"from": "human", "value": "Could you provide a description of this molecule? [C][O].[C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an omega-hydroxy fatty acid anion obtained by deprotonation of the carboxy group of any omega-hydroxy-medium-chain fatty acid; major species at pH 7.3. It is an omega-hydroxy fatty acid anion and a medium-chain fatty acid anion. It is a conjugate base of an omega-hydroxy-medium-chain fatty acid."}]