Using BrCc1ccccc1, CC(=O)N1CCN(NC(=O)c2ccc(F)cc2)CC1 to produce CC(=O)N1CCN(N(Cc2ccccc2)C(=O)c2ccc(F)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.