Using O=S(=O)(Cl)c1ccccc1, Nc1ccc2c(c1)C(=O)CCO2 to produce O=C1CCOc2ccc(NS(=O)(=O)c3ccccc3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.