Using CCN=C=NCCCN(C)C, Nc1cc2nn(-c3ccc(F)cc3)c(C(=O)O)c2cc1Br to produce CNC(=O)c1c2cc(Br)c(N)cc2nn1-c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.