Using CON, Cn1cc(Br)c(C(=O)N2CCN(CC(=O)c3ccc(F)cc3)CC2)n1 to produce CON=C(CN1CCN(C(=O)c2nn(C)cc2Br)CC1)c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.