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