[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C][C][C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a polyunsaturated fatty acid anion that is the conjugate base of (19Z,22Z,25Z,28Z)-tetratriacontatetraenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a (19Z,22Z,25Z,28Z)-tetratriacontatetraenoic acid."}]