Using CCOC(=O)CC(=O)OC(C)(C)C, O=[N+]([O-])c1ccc(Cl)nc1 to produce CCOC(=O)C(C(=O)OC(C)(C)C)c1ccc([N+](=O)[O-])cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.