Using CC(=O)c1cc(Cc2ccc(F)cc2F)cn(Cc2ccccc2F)c1=O, COC(=O)C(=O)OC to produce COC(=O)C(O)=CC(=O)c1cc(Cc2ccc(F)cc2F)cn(Cc2ccccc2F)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.