Using CC(C)(C)OC(=O)N1CCC[C@H]1c1nc(I)c(I)[nH]1 to produce CC(C)(C)OC(=O)N1CCC[C@H]1c1nc(I)c[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.