Using COc1ccccc1C1(C(=O)CN2CCCC(COc3ccc(C(F)(F)F)cc3)C2)CCC1 to produce COc1ccccc1C1(C(O)CN2CCCC(COc3ccc(C(F)(F)F)cc3)C2)CCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.