Using CC(=O)c1ccc(Cl)c(C)c1, O=C(c1cc(Cl)cc(Cl)c1)C(F)(F)F to produce Cc1cc(C(=O)C=C(c2cc(Cl)cc(Cl)c2)C(F)(F)F)ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.