Using CCOC(=O)C(=O)OCC, COc1ccc([N+](=O)[O-])c(C)n1 to produce CCOC(=O)C(=O)Cc1nc(OC)ccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.