Using COC(=O)c1c(C)n(-c2cc([N+](=O)[O-])c(C)cc2C)cc(Cl)c1=O to produce COC(=O)c1c(C)n(-c2cc(N)c(C)cc2C)cc(Cl)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.