Using Brc1ccc2cn[nH]c2c1, C[C@H](Cl)c1ccc(Cl)cc1Cl to produce C[C@H](c1ccc(Cl)cc1Cl)n1ncc2ccc(Br)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.