Using OC1(c2ccccc2)CCNCC1, Cc1nc(Br)c([N+](=O)[O-])c(=O)[nH]1 to produce Cc1nc(N2CCC(O)(c3ccccc3)CC2)c([N+](=O)[O-])c(=O)[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.