Using BrBr, O=c1cc(C(F)(F)F)ncn1-c1c(F)cc(C(F)(F)F)cc1F to produce O=c1c(Br)c(C(F)(F)F)ncn1-c1c(F)cc(C(F)(F)F)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.