[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][N][C][=Branch2][Ring1][C][=C][C][=C][Ring1][Branch1][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][S][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of ketorolac. The major species at pH 7.3. It is a monocarboxylic acid anion and an amino-acid anion. It is a conjugate base of a ketorolac."}]