Using CCCCCCCCCCOC(=O)C(=Cc1cccc([N+](=O)[O-])c1)C(C)=O, CCOC(=O)CC(=N)N to produce CCCCCCCCCCOC(=O)C1=C(C)NC(N)=C(C(=O)OCC)C1c1cccc([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.