Using O=C(c1ccc(Cl)cc1)c1ccc(CBr)cc1, Cn1ncc2[nH]c(Cl)c(Cl)c2c1=O to produce Cn1ncc2c(c(Cl)c(Cl)n2Cc2ccc(C(=O)c3ccc(Cl)cc3)cc2)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.