Using COC(=O)c1ccccc1COc1ccc(CC(=O)NCc2ccc(C(F)(F)F)cc2)cc1 to produce O=C(Cc1ccc(OCc2ccccc2C(=O)O)cc1)NCc1ccc(C(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.