Using Brc1ccc(CN2CCOCC2)cc1, OB(O)c1ccccc1C(F)(F)F to produce FC(F)(F)c1ccccc1-c1ccc(CN2CCOCC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.