Using COC(=O)[C@@H](Cc1ccc(O)cc1)NC(=O)OC(C)(C)C, O=C(c1ccccc1)c1ccc(F)cc1 to produce COC(=O)[C@@H](Cc1ccc(Oc2ccc(C(=O)c3ccccc3)cc2)cc1)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.