Using COc1cc(N2CCN(C(=O)Cn3ncc4cc([N+](=O)[O-])cnc43)CC2)ccc1Cl to produce COc1cc(N2CCN(C(=O)Cn3ncc4cc(N)cnc43)CC2)ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.