Using CN(Cc1ccc(N)cc1)C1CCOCC1, O=C(O)C1=Cc2cc(-c3ccco3)ccc2OCC1 to produce CN(Cc1ccc(NC(=O)C2=Cc3cc(-c4ccco4)ccc3OCC2)cc1)C1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.