Using Cc1c(Cl)cnc2[nH]c(-c3ccc(O)c([N+](=O)[O-])c3)nc12, ClCCN1CCOCC1 to produce Cc1c(Cl)cnc2[nH]c(-c3ccc(OCCN4CCOCC4)c([N+](=O)[O-])c3)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.