[{"from": "human", "value": "Describe this molecule. [C][C][Branch2][Ring1][Branch2][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is an (omega-1)-hydroxy fatty acid anion resulting from the deprotonation of the carboxy group of 20-hydroxyhenicosanoic acid. The major species at pH 7.3. It is an (omega-1)-hydroxy fatty acid anion, a long-chain fatty acid anion and a straight-chain saturated fatty acid anion. It is functionally related to a henicosanoate. It is a conjugate base of a 20-hydroxyhenicosanoic acid."}]