Using Clc1ccc2[nH]c(-c3nnco3)cc2n1, Clc1cccc(CBr)c1 to produce Clc1cccc(Cn2c(-c3nnco3)cc3nc(Cl)ccc32)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.