Using O=C([O-])C(F)(F)Cl, CCC[C@H]1CC[C@H](c2ccc(C=O)cc2)CC1 to produce CCC[C@H]1CC[C@H](c2ccc(C=C(F)F)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.