Using Cc1cc(C(C)(C)C)c(O)c(C(C)(C)C)c1, COc1cc(Cc2cnc(N)nc2N)cc(Br)c1OC to produce COc1cc(Cc2cnc(N)nc2N)cc(-c2ccccc2)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.