Using CCOC(=O)CC(=O)OC(C)(C)C, O=[N+]([O-])c1cc([N+](=O)[O-])c2ccccc2c1Cl to produce CCOC(=O)C(C(=O)OC(C)(C)C)c1c([N+](=O)[O-])cc([N+](=O)[O-])c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.