Using CCOC(=O)Cc1ccc2c(c1)CCC(N)C2, O=S(=O)(Cl)c1ccc(Cl)cc1 to produce CCOC(=O)Cc1ccc2c(c1)CCC(NS(=O)(=O)c1ccc(Cl)cc1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.