Using COc1cc(C(=O)[O-])cc2c1[C@@H]1CC[C@H]3C(C)(C)CCC[C@]3(C)[C@H]1CS2(=O)=O, C1CCOC1 to produce COc1cc(C(=O)O)cc2c1[C@]1(C)CC[C@H]3C(C)(C)CCC[C@]3(C)[C@H]1CS2(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.