Using O=C(OCc1ccccc1)N1C[C@H](O)C[C@H]1c1ncc(-c2ccc(Br)cc2)[nH]1, COCCN(CCOC)S(F)(F)F to produce O=C(OCc1ccccc1)N1C[C@@H](F)C[C@H]1c1ncc(-c2ccc(Br)cc2)[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.