Using CCOC(=O)C=C(c1ccc(F)c([N+](=O)[O-])c1)C(F)(F)F to produce CCOC(=O)CC(c1ccc(F)c(N)c1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.