Using CS(=O)(=O)Cl, CC(=O)Nc1nc(C)c(-c2ccc(N)cc2)s1 to produce CC(=O)Nc1nc(C)c(-c2ccc(NS(C)(=O)=O)cc2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.