Using Ic1cccc2c1sc1ccccc12, Brc1ccc2[nH]c3ccccc3c2c1 to produce Brc1ccc2c(c1)c1ccccc1n2-c1cccc2c1sc1ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.