[{"from": "human", "value": "Describe this molecule. [C][C@H1][Branch2][Ring1][N][C@@H1][C@H1][C][C][=Branch1][S][=C][Branch1][Branch2][N][Ring1][Branch1][C][Ring1][#Branch1][=O][C][=Branch1][C][=O][O-1][S][C][C][NH1+1][=C][N][O]"}, {"from": "gpt", "value": "The molecule is zwitterionic form of imipenem having an anionic carboxy group and a protonated methaneimidamido group; major species at pH 7.3. It is a tautomer of an imipenem."}]