Using O=C([O-])C(F)(F)Cl, COC(=O)c1cc(-c2cccc(C=O)n2)ccc1Cl to produce COC(=O)c1cc(-c2cccc(C=C(F)F)n2)ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.