Using Nc1cc(C(F)(F)F)ccc1O, S=C=Nc1ccc(Br)cc1 to produce FC(F)(F)c1ccc2oc(Nc3ccc(Br)cc3)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.