Using CCOC(=O)CC(=O)c1cccc(F)c1, Nc1ccc([N+](=O)[O-])cc1 to produce CCCCOC(=O)C=C(Nc1ccc([N+](=O)[O-])cc1)c1cccc(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.