Using CC(C)(NCCCn1ccnc1)c1ccc(Cl)c(N)c1, O=C(Cl)c1ccccc1 to produce CC(C)(NCCCn1ccnc1)c1ccc(Cl)c(NC(=O)c2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.