Using CSc1ccc([C@@H]2OC(C)(C)N(C(C)=O)[C@H]2C=O)cc1 to produce CSc1ccc([C@@H]2OC(C)(C)N(C(C)=O)[C@@H]2C=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.