Using CCOC(=O)c1c(CS(=O)(=O)c2ccccc2)ccc(Br)c1OC to produce CCOC(=O)c1c(CS(=O)(=O)c2ccccc2)ccc(Br)c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.