Using O=C(Nc1ccc(Br)cc1)C1CN2CCC1CC2, OB(O)c1ccc(F)cc1 to produce O=C(Nc1ccc(-c2ccc(F)cc2)cc1)C1CN2CCC1CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.