Using Cc1c[nH]cn1, Brc1cnc2nnn(Cc3ccc4ncccc4c3)c2n1 to produce Cc1cn(-c2cnc3nnn(Cc4ccc5ncccc5c4)c3n2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.