Using OCC(=C(c1ccc(F)cc1)c1ccc(F)cc1)n1nnnc1-c1ccccc1 to produce O=CC(=C(c1ccc(F)cc1)c1ccc(F)cc1)n1nnnc1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.