SMILES: C(CC(=O)N[C@@H](CS)C(=O)N[C@@H](CCC(=O)N[C@@H](CS)C(=O)N[C@@H](CCC(=O)N[C@@H](CS)C(=O)NCC(=O)O)C(=O)O)C(=O)O)[C@@H](C(=O)O)N
Description: 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.