Using CO[C@@H]1Cc2ccc(C(N)=O)cc2C(C)(C)[C@H]1NC(=O)OC(C)(C)C to produce COC1Cc2ccc(C(N)=O)cc2C(C)(C)C1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.