Using Sc1cc2ccccc2[nH]1, Cc1cnc(CCl)cc1N1CCCCC1 to produce Cc1cnc(CSc2cc3ccccc3[nH]2)cc1N1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.