Using CC(C)(C)OC(=O)N1CCN(Cc2ccc(Br)cn2)CC1, OB(O)c1cccc(F)c1 to produce CC(C)(C)OC(=O)N1CCN(Cc2ccc(-c3cccc(F)c3)cn2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.