Using CC[C@H](NC(=O)c1cc(Cl)ccc1[N+](=O)[O-])C(=O)OC(C)(C)C to produce CC[C@H](NC(=O)c1cc(Cl)ccc1N)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.