Using C=CCOC(=O)C[C@H](O)[C@H](NC(=O)[C@@H](CSC(c1ccccc1)(c1ccccc1)c1ccccc1)NC(=O)[C@@H](CC(C)C)NC(=O)C[C@@H](O)/C=C/CCSC(c1ccccc1)(c1ccccc1)c1ccccc1)C(C)C to produce CC(C)C[C@@H](NC(=O)C[C@@H](O)/C=C/CCSC(c1ccccc1)(c1ccccc1)c1ccccc1)C(=O)N[C@H](CSC(c1ccccc1)(c1ccccc1)c1ccccc1)C(=O)N[C@H](C(C)C)[C@@H](O)CC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.