Using OCc1c(C(F)(F)F)nnn1-c1c(Cl)cccc1Cl, BrC(Br)(Br)Br to produce FC(F)(F)c1nnn(-c2c(Cl)cccc2Cl)c1CBr, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.