Using NC(N)=[NH2+], Cn1c([N+](=O)[O-])cnc1-c1nnc2ccc(Cl)nn12 to produce Cn1c([N+](=O)[O-])cnc1-c1nnc2ccc(N=C(N)N)nn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.