Using Sc1ccccc1, Cn1nc(-c2ccccc2)c(Br)c1-c1ccccc1 to produce Cn1nc(-c2ccccc2)c(Sc2ccccc2)c1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.