Using COC(=O)c1cc(Cl)c(Oc2ccc(OC)c(C(=O)c3ccc(F)cc3)c2)c(Cl)c1 to produce COC(=O)c1cc(Cl)c(Oc2ccc(OC)c(Cc3ccc(F)cc3)c2)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.