Using ICCCCI, COC(=O)CC[C@H](NC(=O)OC(C)(C)C)C(=O)OC to produce COC(=O)[C@@H](CCCCI)C[C@H](NC(=O)OC(C)(C)C)C(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.