Using CCOC(=O)C1Nc2cc(-n3ccc(CN)c3)c(Cl)cc2NC1=O, O=C=Nc1ccccc1 to produce CCOC(=O)c1nc2cc(-n3ccc(CNC(=O)Nc4ccccc4)c3)c(Cl)cc2[nH]c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.