Using O=[N+]([O-])c1cc(-c2nc3ncc(Cl)c(Cl)c3[nH]2)ccc1OCCN1CCOCC1 to produce Nc1cc(-c2nc3ncc(Cl)c(Cl)c3[nH]2)ccc1OCCN1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.