Using COC(=O)C1(NC(=O)Cc2cc(-c3ccc(Cl)cc3)ccc2C)CCC(F)(F)CC1 to produce Cc1ccc(-c2ccc(Cl)cc2)cc1C1=C(O)C2(CCC(F)(F)CC2)NC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.