Using O=S(=O)(Cl)c1ccccc1, O=C(CBr)c1ccc(Br)cc1 to produce O=C(CS(=O)(=O)c1ccccc1)c1ccc(Br)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.