Using CCOC(=O)C(=O)CC(=O)c1cc(Br)c(OCc2ccccc2)cc1OCc1ccccc1, NO to produce CCOC(=O)c1cc(-c2cc(Br)c(OCc3ccccc3)cc2OCc2ccccc2)on1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.