Using COc1ccc(S(=O)(=O)Cl)cc1, Nc1cc(Br)cnc1Cl to produce COc1ccc(S(=O)(=O)Nc2cc(Br)cnc2Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.