[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C@H1][Branch2][Ring1][#Branch2][/C][=C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][=C][\\C@H1][Branch1][=Branch2][C][C][C][C][=Branch1][C][=O][O-1][O][O][O]"}, {"from": "gpt", "value": "The molecule is an icosanoid anion arising from deprotonation of the carboxylic acid function of 5(S)-hydroperoxy-18(R)-hydroxy-(6E,8Z,11Z,14Z,16E)-icosapentaenoic acid; major species at pH 7.3. It is a conjugate base of a 5(S)-hydroperoxy-18(R)-hydroxy-(6E,8Z,11Z,14Z,16E)-icosapentaenoic acid."}]