Using Cc1cccnc1[C@@H]1CCC[C@H](c2ncccc2C)N1, BrCc1ccccn1 to produce Cc1cccnc1[C@H]1CCC[C@@H](c2ncccc2C)N1Cc1ccccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.