Using CC1(C)COC(c2ccccc2C2Oc3cccc(F)c3C(=O)C2=Cc2ccccc2)=N1 to produce CC1(C)COC(c2ccccc2C2Oc3cccc(F)c3C(O)=C2Cc2ccccc2)=N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.