[{"from": "human", "value": "What can you tell me about this molecule? [C][C@@H1][C][C][=N][C@H1][Ring1][Branch1][C][=Branch1][C][=O][N][C][C][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}, {"from": "gpt", "value": "The molecule is zwitterionic form of L-pyrrolysine. It is a tautomer of a L-pyrrolysine."}]