[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=Branch1][C][=O][/C][=C][/C][=C][Branch1][=Branch1][/C][=Branch1][C][=O][O][\\O-1]"}, {"from": "gpt", "value": "The molecule is a 2-hydroxy-6-oxo-2,4-heptadienoate which has 2Z,4E configuration. Obtained by deprotonation of the carboxy group of (2Z,4E)-2-hydroxy-6-oxohepta-2,4-dienoic acid, it is the major species at pH 7.3. It is a conjugate base of a (2Z,4E)-2-hydroxy-6-oxohepta-2,4-dienoic acid."}]