Using CC(=O)N(Cc1ccc(F)cc1)Cc1ccc(F)cc1, COC(=O)C(=O)OC to produce COC(=O)C(O)=CC(=O)N(Cc1ccc(F)cc1)Cc1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.