Using CCOc1ccc(C(=CCl)C(F)(F)F)cc1, OCc1ccc(F)c(Oc2ccc(Cl)cc2)c1 to produce CCOc1ccc(C(=COCc2ccc(F)c(Oc3ccc(Cl)cc3)c2)C(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.