Using COc1c(Br)cc(CC(=O)NCCc2ccc([N+](=O)[O-])c(OCc3ccccc3)c2)cc1Br to produce COc1c(Br)cc(CC(=O)NCCc2ccc(N)c(OCc3ccccc3)c2)cc1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.