Using Sc1ccccc1, Cc1cc(Nc2cc3ccccc3c(Cl)n2)n[nH]1 to produce Cc1cc(Nc2cc3ccccc3c(Sc3ccccc3)n2)n[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.