Using C[C@@]1(O)[C@@H]2C[C@H](C[C@H]1OC(=O)c1ccccc1)[C@@](C)(CSc1ccccc1)OO2 to produce C[C@]1(O)[C@@H]2C[C@H](C[C@H]1OC(=O)c1ccccc1)[C@](C)(CSc1ccccc1)OO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.