Using CNc1ccccc1[N+](=O)[O-], CCOC(=O)CC(=O)[O-] to produce CCOC(=O)CC(=O)N(C)c1ccccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.