Using CC(N)=NNC(C)C, O=C(O)c1cn2c(n1)-c1ccc(Br)cc1OCC2 to produce CC(=NC(=O)c1cn2c(n1)-c1ccc(Br)cc1OCC2)NNC(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.