Using Oc1nccc2cnc(Br)cc12, NS(=O)(=O)c1ccc(CBr)cc1 to produce NS(=O)(=O)c1ccc(Cn2ccc3cnc(Br)cc3c2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.