Using c1nc[nH]n1, CCOc1nc2cc(Cl)c(Cl)c(CBr)c2nc1OCC to produce COc1nc2cc(Cl)c(Cl)c(Cn3cncn3)c2nc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.