[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a phytochelatin that is a heptapeptide consisting of 3 units of gamma-Glu-Cys, with a glycyl unit at the C-terminus. It is a phytochelatin and an oligopeptide."}, {"from": "gpt", "value": "[C][Branch2][=Branch1][O][C][C][=Branch1][C][=O][N][C@@H1][Branch1][Ring1][C][S][C][=Branch1][C][=O][N][C@@H1][Branch2][Branch1][C][C][C][C][=Branch1][C][=O][N][C@@H1][Branch1][Ring1][C][S][C][=Branch1][C][=O][N][C@@H1][Branch2][Ring1][Branch2][C][C][C][=Branch1][C][=O][N][C@@H1][Branch1][Ring1][C][S][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}]