Using CC(C)(C)OC(=O)N1CC2(CCC(OS(C)(=O)=O)CC2)C1, Ic1cn[nH]c1 to produce CC(C)(C)OC(=O)N1CC2(CCC(n3cc(I)cn3)CC2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.