Using CS(=O)(=O)Cl, CN(C)CCNc1ccc(CN)c2sc3ccccc3c(=O)c12 to produce CN(C)CCNc1ccc(CNS(C)(=O)=O)c2sc3ccccc3c(=O)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.