Using COC(=O)Oc1cc([N+](=O)[O-])c(Cl)cc1Cl, COC(=O)Oc1cc(N=C=O)c(Cl)cc1Cl to produce COC(=O)Oc1cc(NC(N)=O)c(Cl)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.