Using O=S(=O)(Cl)c1cccnc1, COc1ccc2[nH]ccc2c1CN(C)C to produce COc1ccc2c(ccn2S(=O)(=O)c2cccnc2)c1CN(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.