Using COC(=O)C1CCN(c2ccc([N+](=O)[O-])c3c2CN(C)C3=O)CC1 to produce COC(=O)C1CCN(c2ccc(N)c3c2CN(C)C3=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.