Using Cc1ccc(S(=O)(=O)Cl)cc1, NC1CC(Oc2ncccc2Br)C1 to produce Cc1ccc(S(=O)(=O)NC2CC(Oc3ncccc3Br)C2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.