[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a peptide anion obtained by removal of protons from the three carboxy groups as well as protonation of the amino group of gamma-Glu-Glu; major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of a gamma-Glu-Glu."}, {"from": "gpt", "value": "[C][Branch2][Ring1][=Branch1][C][C][=Branch1][C][=O][N][C@@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}]