Using COC(=O)c1sccc1N, O=S(=O)(Cl)c1ccc(Br)cc1 to produce COC(=O)c1sccc1NS(=O)(=O)c1ccc(Br)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.