Using CC(C)(C)OC(=O)c1c(F)ccnc1F, ClC(Cl)(Cl)C(Cl)(Br)Br to produce CC(C)(C)OC(=O)c1c(F)ncc(Br)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.