Using NC(=O)N1C[C@@H](CCBr)c2ccccc21, c1cc2cc(N3CCNCC3)ccc2[nH]1 to produce NC(=O)N1C[C@@H](CCN2CCN(c3ccc4[nH]ccc4c3)CC2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.