Using F[B-](F)(F)C1CC1, COc1c(C(C)n2nc(C)c3c(N)ncnc32)cc(Cl)c(C)c1Br to produce COc1c(C(C)n2nc(C)c3c(N)ncnc32)cc(Cl)c(C)c1C1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.