Using COC(=O)CC(Cc1ccc(OCc2ccccc2)cc1)c1nc(C(F)(F)F)cs1 to produce COC(=O)CC(Cc1ccc(O)cc1)c1nc(C(F)(F)F)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.