Using Cc1cc2c(=O)c(C(=O)c3ccc(C)c(C)c3)c[nH]c2c(C)n1, BrCc1cccc(Br)n1 to produce Cc1cc2c(=O)c(C(=O)c3ccc(C)c(C)c3)cn(Cc3cccc(Br)n3)c2c(C)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.