Using CC(C)(C)OC(=O)n1nc(OC(F)F)c2ccc(OCc3ccccc3)cc21 to produce CC(C)(C)OC(=O)n1nc(OC(F)F)c2ccc(O)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.