Using O=Cc1ccc(F)cc1, COC(=O)C(Cc1cc(OC)cc(OC)c1)c1ccc(O)cc1 to produce COC(=O)C(Cc1cc(OC)cc(OC)c1)c1ccc(Oc2ccc(C=O)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.