Using CC(C)(C)OC(=O)N1CCC(c2ccc(NC(=O)Nc3ccc(Cl)nc3)c(Cl)c2)C1 to produce O=C(Nc1ccc(Cl)nc1)Nc1ccc(C2CCNC2)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.