Using CI, CC(C)(C)OC(=O)NC1([C@@H]2CCN(C(=O)OCc3ccccc3)C2)CC1 to produce CN(C(=O)OC(C)(C)C)C1([C@@H]2CCN(C(=O)OCc3ccccc3)C2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.