Using CCOC(=O)CN1C(=O)CCN(C(=O)c2ccc([N+](=O)[O-])cc2)c2ccccc21 to produce CCOC(=O)CN1C(=O)CCN(C(=O)c2ccc(N)cc2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.