Using CC(C)(C)OC(=O)N[C@@H]1CCCN(c2cnc(C#N)c(Cl)n2)C1, CI to produce CN(C(=O)OC(C)(C)C)[C@@H]1CCCN(c2cnc(C#N)c(Cl)n2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.