Using COc1ccc(N2CCOCC2)c2sc(NC(=O)c3cc(C)nc(Cl)c3)nc12, [I-] to produce COc1ccc(N2CCOCC2)c2sc(NC(=O)c3cc(C)nc(I)c3)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.