Using CN(CCCO)C(=O)c1cc2ccccc2c(-c2ccccc2I)n1, CS(=O)(=O)Cl to produce CN(CCCS(C)(=O)=O)C(=O)c1cc2ccccc2c(-c2ccccc2I)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.