Using CC(C)(C)OC(=O)N1CC[C@@H](C(=O)O)C1, CNOC to produce CON(C)C(=O)[C@@H]1CCN(C(=O)OC(C)(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.