Using COC(=O)C(Cc1ccc([N+](=O)[O-])cc1)NC(=O)c1c(Cl)cccc1Cl to produce COC(=O)C(Cc1ccc(N)cc1)NC(=O)c1c(Cl)cccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.