Using O=[N+]([O-])c1cc(Br)c2nc(Nc3ccc(Cl)c(Cl)c3)nc(O)c2c1, C=Cc1ccc(C(=O)O)cc1 to produce O=C(O)c1ccc(/C=C/c2cc([N+](=O)[O-])cc3c(O)nc(Nc4ccc(Cl)c(Cl)c4)nc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.