Using Ic1cccs1, Sc1nc(-c2ccc(Cl)cc2)c(-c2ccc(Cl)cc2)[nH]1 to produce Clc1ccc(-c2nc(Sc3cccs3)[nH]c2-c2ccc(Cl)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.