Using O=C(c1ccc(Cl)cc1)c1ccc(CBr)cc1, CS(=O)[O-] to produce CS(=O)(=O)Cc1ccc(C(=O)c2ccc(Cl)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.