[{"from": "human", "value": "What can you tell me about this molecule? [C][=N][N][Branch1][=N][C][=Branch1][C][=O][C][=Branch1][Branch1][=C][Ring1][#Branch1][N][Cl][C][=Branch1][C][=O][/C][=Branch1][=Branch2][=C][/C][=C][/C][=Branch1][C][=O][O-1][/O-1]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion arising from deprotonation of the carboxy and enol groups of 5-amino-4-chloro-2-(2-hydroxymuconoyl)pyridazin-3(2H)-one; major species at pH 7.3. It is a conjugate base of a 5-amino-4-chloro-2-(2-hydroxymuconoyl)pyridazin-3(2H)-one."}]