Using CCOC(=O)C(Cc1ccc(OC)c(NC(=O)Cc2ccc(C(F)(F)F)cc2)c1)OC to produce COc1ccc(CC(OC)C(=O)O)cc1NC(=O)Cc1ccc(C(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.