Using Cc1cccc2nc(CCl)n(-c3ccccc3Cl)c(=O)c12, Sc1ncnc2nc[nH]c12 to produce Cc1cccc2nc(CSc3ncnc4[nH]cnc34)n(-c3ccccc3Cl)c(=O)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.