[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][#Branch1][C][C][=Branch1][C][=O][N][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][NH3+1]"}, {"from": "gpt", "value": "The molecule is an optically active form of glutaminium having D-configuration. It is a conjugate acid of a D-glutamine. It is an enantiomer of a L-glutaminium."}]