Using N#Cc1cnc(N2CC(Oc3cc(F)ccc3Br)C2)cn1, [N-]=[N+]=[N-] to produce Fc1ccc(Br)c(OC2CN(c3cnc(-c4nnn[nH]4)cn3)C2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.