Using ClC(Cl)(Cl)Cl, CC(=O)O[C@H]1CC[C@]2(C)[C@H]3CC[C@@]4(C)[C@@H]([C@@H]5C[C@@H]5C45OCCO5)[C@@H]3[C@@H](O)[C@H]3O[C@]32C1 to produce CC(=O)O[C@H]1CC[C@]2(C)[C@H]3CC[C@@]4(C)[C@@H]([C@@H]5C[C@@H]5C45OCCO5)[C@@H]3[C@H](Cl)[C@H]3O[C@]32C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.