[{"from": "human", "value": "Describe this molecule. [C][C][C][C][C][C][Branch1][P][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 hydroxy saturated fatty acid anion that is the conjugate base of 13-hydroxydecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 13-hydroxyoctadecanoic acid."}]