Using O=Cc1cc(Br)c(O)c(Br)c1, O=C1Cc2c(ccc3ncccc23)N1 to produce O=C1Nc2ccc3ncccc3c2C1=Cc1cc(Br)c(O)c(Br)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.