Using CC[C@@]1([C@H]2O[C@H]([C@H]3O[C@@](O)(CO)[C@H](C)C[C@@H]3C)C[C@H]2C)CC[C@H]([C@@]2(C)CC[C@]3(C[C@H](O)[C@@H](C)[C@@H]([C@H](C)[C@H](OC)[C@@H](C)C(=O)[O-])O3)O2)O1 to produce CC[C@@]1([C@@H]2O[C@@H]([C@H]3O[C@@](O)(CO)[C@H](C)C[C@@H]3C)C[C@@H]2C)CC[C@H]([C@]2(C)CC[C@]3(C[C@H](O)[C@@H](C)[C@@H]([C@@H](C)[C@@H](OC)[C@H](C)C(=O)O)O3)O2)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.