Using COC(=O)[C@H](Cc1ccc(Cl)c(Cl)c1)NC(=O)c1ccc(I)cc1NS(=O)(=O)c1cccc2nsnc12 to produce O=C(N[C@@H](Cc1ccc(Cl)c(Cl)c1)C(=O)O)c1ccc(I)cc1NS(=O)(=O)c1cccc2nsnc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.