Using CC(C)(C)OC(=O)OC(=O)OC(C)(C)C, CC12CCC(I)C(C1)NC2=O to produce CC(C)(C)OC(=O)N1C(=O)C2(C)CCC(I)C1C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.