Using COC(=O)[C@H]1CC[C@@H](NC(=O)OC(C)(C)C)CC1 to produce CC(C)(C)OC(=O)N[C@H]1CC[C@@H](CO)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.