[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C][C@@H1][Branch1][Branch2][C][=Branch1][C][=O][O][C][C][N][C@@H1][Branch1][C][C][C][=Branch1][C][=O][N][C@H1][C][C][C][C][C@H1][Ring1][=Branch1][C][C@H1][Ring1][=Branch2][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion that is the conjugate base of perindopril, obtained by deprotonation of the hydroxy group; major species at pH 7.3. It is a conjugate base of a perindopril."}]