Using CCOC(=O)Nc1cc([N+](=O)[O-])cc(CC)c1C(=O)OCC to produce CCOC(=O)Nc1cc([N+](=O)[O-])cc(CC)c1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.