[{"from": "human", "value": "What can you tell me about this molecule? [C][N][C][=Branch1][C][=O][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}, {"from": "gpt", "value": "The molecule is the amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of N(5)-methyl-L-glutamine; major species at pH 7.3. It is a tautomer of a N(5)-methyl-L-glutamine."}]