Using CCn1nnnc1C(CO)=C(c1ccc(F)cc1)c1ccc(F)cc1 to produce CCn1nnnc1C(C=O)=C(c1ccc(F)cc1)c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.