Using Cc1c(Cl)ncnc1OC1CCN(c2nc(C(C)C)no2)CC1, Oc1ccc(Br)cc1F to produce Cc1c(Oc2ccc(Br)cc2F)ncnc1OC1CCN(c2nc(C(C)C)no2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.