[{"from": "human", "value": "What can you tell me about this molecule? [C][C@@H1][Branch2][Ring1][O][C][=Branch1][C][=O][N][Ring1][Branch1][C@H1][Branch1][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][O-1][N][C][=Branch1][C][=O][C@@H1][Branch1][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][NH3+1]"}, {"from": "gpt", "value": "The molecule is an amino acid zwitterion resulting from a transfer of a proton from the carboxy group to the amino group of nocardicin G; major species at pH 7.3. It is a tautomer of a nocardicin G."}]