Using O=[N+]([O-])c1cccc(B(O)O)c1, O=C1NCCc2c(Br)[nH]c3cccc1c23 to produce O=C1NCCc2c(-c3cccc([N+](=O)[O-])c3)[nH]c3cccc1c23, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.