Using CC(=O)c1cc(Cl)c(C)c(Br)c1O, OCCN1CCOCC1 to produce CC(=O)c1cc(Cl)c(C)c(Br)c1OCCN1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.