Using FC(F)(F)c1ccc(CBr)cc1, O=S(=O)(Nc1nc2cccc3c2n1CCO3)c1ccccc1 to produce O=S(=O)(c1ccccc1)N(Cc1ccc(C(F)(F)F)cc1)c1nc2cccc3c2n1CCO3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.