Using OB(O)c1ccc(F)cc1F, CC[C@@H](c1ccc(Br)cc1)N1CC[C@](CCO)(c2ccc(F)cc2)OC1=O to produce CC[C@@H](c1ccc(-c2ccc(F)cc2F)cc1)N1CC[C@](CCO)(c2ccc(F)cc2)OC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.