Using CC(C)(O)c1cc(COc2ccc(Br)cc2)n(-c2c(Cl)cccc2Cl)n1 to produce CC(C)c1cc(COc2ccc(Br)cc2)n(-c2c(Cl)cccc2Cl)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.