Using CCOC(=O)C(=O)OCC, CCOC(=O)c1ccc(C)c([N+](=O)[O-])c1 to produce CCOC(=O)C(=O)Cc1ccc(C(=O)OCC)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.