Using COC(=O)C(Cc1ccc(OCCc2ccc(NC(=O)OC(C)(C)C)cc2)cc1)OCC(F)(F)F to produce CC(C)(C)OC(=O)Nc1ccc(CCOc2ccc(CC(OCC(F)(F)F)C(=O)O)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.