Using CNCC(=O)N[C@H](C(=O)N(C)CC(=O)N[C@@H](Cc1ccc(O)cc1)C(N)=O)C(Cc1ccccc1)C(=O)O, N=C(N)NCCC[C@](N)(C(=O)Cl)C(=O)OCc1ccccc1 to produce CN(CC(=O)N[C@@H](Cc1ccc(O)cc1)C(N)=O)C(=O)[C@H](CC(=O)O)NC(=O)CN(C)C(=O)[C@@H](N)CCCNC(=N)N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.