Using CCOC(=O)CCC(CC(=O)c1ccc([N+](=O)[O-])cc1)C(=O)OCC to produce CCOC(=O)CCC(CC(=O)c1ccc(N)cc1)C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.