[{"from": "human", "value": "Please give me some details about this molecule. [C][Branch1][=Branch1][C][C][C][C][O][C][C][C][C][C][Branch1][Ring2][O][Ring1][Ring1][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an omega-hydroxy fatty acid anion that is the conjugate base of 18-hydroxy-9,10-epoxyoctadecanoic acid arising from deprotonation of the carboxylic acid function; major species at pH 7.3. It is an omega-hydroxy-long-chain fatty acid anion and an epoxy fatty acid anion. It is functionally related to an octadecanoate. It is a conjugate base of a 9,10-epoxy-18-hydroxyoctadecanoic acid."}]