Using NNc1ccccc1, CC(=O)N1CCC(C(=O)c2ccc(Br)cc2F)CC1 to produce CC(=O)N1CCC(C(=NNc2ccccc2)c2ccc(Br)cc2F)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.