Using OB(O)c1ccccc1C(F)(F)F, O=C(c1ccc(Br)cc1)N1CCC(c2ccccc2)C1 to produce O=C(c1ccc(-c2ccccc2C(F)(F)F)cc1)N1CCC(c2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.