[{"from": "human", "value": "Please give me some details about this molecule. [C][C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][=C][\\C][=Branch1][C][=O][C][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an icosanoid anion that is the conjugate base of (6E,8Z,11Z,14Z,17Z)-5-oxoicosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is an icosanoid anion, a long-chain fatty acid anion, an oxo fatty acid anion and a polyunsaturated fatty acid anion. It is a conjugate base of a (6E,8Z,11Z,14Z,17Z)-5-oxoicosapentaenoic acid."}]