[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][=C][C][=C][C][=Branch1][Branch1][=C][Ring1][=Branch1][N][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an oxo monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of amfenac. The major species at pH 7.3. It is a conjugate base of an amfenac."}]