Using Nc1c(SC(F)(F)F)ncn1-c1c(Cl)cc(C(F)(F)F)cc1Cl, BrC(Br)Br to produce FC(F)(F)Sc1ncn(-c2c(Cl)cc(C(F)(F)F)cc2Cl)c1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.