Using BrCC1CCCCC1, Nc1nc(-c2n[nH]c3ncccc23)ncc1-c1ccncc1 to produce Nc1nc(-c2nn(CC3CCCCC3)c3ncccc23)ncc1-c1ccncc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.