Using Cc1c(NC(=O)CC(C)(C)C)c(C)c2c(c1C(C)O)OC[C@@H]2c1ccc(C(C)C)cc1 to produce CCc1c(C)c(NC(=O)CC(C)(C)C)c(C)c2c1OC[C@@H]2c1ccc(C(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.