Using O=C(O)c1ccc([N+](=O)[O-])cc1, CC(C)(C)OC(=O)NCC1CC(O)C1 to produce CC(C)(C)OC(=O)NCC1CC(OC(=O)c2ccc([N+](=O)[O-])cc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.