Using COc1ccc2c(c1)CCC([C@@H]1CC[C@H](OC(C)=O)[C@@]1(C)CC(=O)O)C2 to produce COc1ccc2c(c1)CCC([C@@H]1CC[C@H](O)[C@@]1(C)CC(=O)O)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.