Using CCOC(C)=O, O=[N+]([O-])c1ccccc1N1CCN(Cc2ccccc2)CCN1 to produce O=C1Nc2ccccc2N2CCN(Cc3ccccc3)CCN12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.