[{"from": "human", "value": "Please give me some details about this molecule. [C][=Branch1][#Branch1][=C][\\C][=Branch1][C][=O][O][\\C][=Branch1][C][=O][/C][=C][/O]"}, {"from": "gpt", "value": "The molecule is a muconic semialdehyde, an alpha,beta-unsaturated monocarboxylic acid and a 3-oxo aldehyde. It is a conjugate acid of a (2Z,4E)-4-hydroxymuconic semialdehyde(1-)."}]