Using NC1=N[C@@]2(CS1)c1cc(I)ccc1Oc1ncc(Br)cc12, OB(O)c1cncc(F)c1 to produce NC1=N[C@@]2(CS1)c1cc(-c3cncc(F)c3)ccc1Oc1ncc(Br)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.