Using C1COCCN1, O=[N+]([O-])c1ccc(Cl)nc1NCc1cccc(Cl)c1Cl to produce O=[N+]([O-])c1ccc(N2CCOCC2)nc1NCc1cccc(Cl)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.