Using CCCC[C@@H](C)[C@@H](O)[C@H]1C(=O)N[C@@H]([C@@H](C)O)C(=O)N(C)[C@H](COCc2ccccc2)C(=O)N(C)[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N(C)[C@@H](CC(C)C)C(=O)N[C@@H](C)C(=O)N[C@H](C)C(=O)N(C)[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N(C)[C@@H](C(C)C)C(=O)N1C to produce CCCC[C@@H](C)[C@@H](O)[C@H]1C(=O)N[C@@H]([C@@H](C)O)C(=O)N(C)[C@H](CO)C(=O)N(C)[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N(C)[C@@H](CC(C)C)C(=O)N[C@@H](C)C(=O)N[C@H](C)C(=O)N(C)[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N(C)[C@@H](C(C)C)C(=O)N1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.