Using CCOC(=O)N1CCc2[nH]c3ccccc3c2C1, O=S(=O)(Cl)c1ccccc1 to produce CCOC(=O)N1CCc2c(c3ccccc3n2S(=O)(=O)c2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.