Using C=CCn1c(C#N)c(-c2cccc(F)c2)c2cc(OC)ccc2c1=O to produce C=CCn1c(C#N)c(-c2cccc(F)c2)c2cc(O)ccc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.