Using COC(=O)c1ccc(-c2cc(F)c(OCc3ccccc3)c(C#N)c2)s1 to produce COC(=O)c1ccc(-c2cc(F)c(O)c(C#N)c2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.