Using CN(C)S(=O)(=O)c1cc(F)ccc1CBr, [N-]=[N+]=[N-] to produce CN(C)S(=O)(=O)c1cc(F)ccc1CN=[N+]=[N-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.