[{"from": "human", "value": "Describe this molecule. [C][C][C][C][C][C@H1][C@H1][Branch1][Ring2][O][Ring1][Ring1][C][C@@H1][Branch1][S][/C][=C][/C][=C][\\C][/C][=C][\\C][C][C][C][=Branch1][C][=O][O-1][O][O]"}, {"from": "gpt", "value": "The molecule is a polyunsaturated fatty acid anion that is the conjugate base of (12S)-hydroperoxy-(14R,15S)-EET, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a (12S)-hydroperoxy-(14R,15S)-epoxy-(5Z,8Z,10E)-icosatrienoic acid."}]