Using Fc1cc(Br)ccc1C(F)(F)F, CCCC1CCC(c2ccc(C(F)=C(F)F)c(F)c2)CC1 to produce CCCC1CCC(c2ccc(/C(F)=C(\F)c3ccc(C(F)(F)F)c(F)c3)c(F)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.