Using FC(F)(F)C(F)(Br)Br, CC(C)(C)OC(=O)c1c(F)ncc(Br)c1F to produce CC(C)(C)OC(=O)c1c(F)nc(Br)c(Br)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.