Using Cc1ccc2c(N3CCNCC3)cccc2n1, O=C(CBr)c1cccc([N+](=O)[O-])c1 to produce Cc1ccc2c(N3CCN(CC(O)c4cccc(N)c4)CC3)cccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.