Using CI, CC(C)(C)OC(=O)N1CCC(O)(c2cc3nc(Cl)nc(N4CCOCC4)c3s2)CC1 to produce COC1(c2cc3nc(Cl)nc(N4CCOCC4)c3s2)CCN(C(=O)OC(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.