Using Cc1ccc(S(=O)(=O)Cl)cc1, NCCc1cccc(Br)c1 to produce Cc1ccc(S(=O)(=O)C(CN)c2cccc(Br)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.