Using C[C@@H]1C[C@@H](Cc2ccc(-c3ccccc3)cc2)N(C(=O)C(C)(C)C)C1=O to produce CCOC(=O)[C@H](C)C[C@H](N)Cc1ccc(-c2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.