Using CI, CON(C)C(=O)C1CCCC(NC(=O)OC(C)(C)C)C1 to produce CON(C)C(=O)C1CCCC(N(C)C(=O)OC(C)(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.