Using NC(=O)CCC(=O)NI, CCCCNC(=O)[C@H](C)C[C@@H]1OC(C)(C)N(C(=O)OC(C)(C)C)[C@H]1CC(C)(C)CCO to produce CCCCNC(=O)[C@H](C)C[C@@H]1OC(C)(C)N(C(=O)OC(C)(C)C)[C@H]1CC(C)(C)CCI, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.