Using O=C(Nc1cccnc1)c1n[nH]c2ccc(Br)cc12, OB(O)c1cncc(F)c1 to produce O=C(Nc1cccnc1)c1n[nH]c2ccc(-c3cncc(F)c3)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.