[{"from": "human", "value": "Please give me some details about this molecule. [C][C][C][=Branch1][C][=O][N][C@@H1][Ring1][=Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][N][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a peptide anion that is the conjugate base of pyroglutamylglutamine, obtained by deprotonation of the carboxy group; major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of a pyroglutamylglutamine."}]