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