Using O=C(Cl)c1cccnc1, CC(C)(C)OC(=O)c1ccc(N2CC[C@H](N)C2)cc1 to produce CC(C)(C)OC(=O)c1ccc(N2CC[C@H](NC(=O)c3cccnc3)C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.