Using Cc1ccc(S(=O)(=O)c2csc(S(=O)(=O)Cl)c2)cc1, O=C1CCC(=O)N1Br to produce O=S(=O)(Cl)c1cc(S(=O)(=O)c2ccc(CBr)cc2)cs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.