Using CC(C)(C(=O)Nc1cc(F)ccc1F)N1COC(CO)=C(c2ccccc2)C1=O to produce CC(C)(C(=O)Nc1cc(F)ccc1F)N1COC(C=O)=C(c2ccccc2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.