Using CSc1nccc(-c2ccc(S(=O)(=O)Cl)s2)n1, c1ccncc1 to produce CSc1nccc(-c2ccc(S(=O)(=O)N(C)C)s2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.