Using NC(=O)c1c(F)ccc(OCc2nc3cc(Br)ccc3s2)c1F, OB(O)c1ccncc1 to produce NC(=O)c1c(F)ccc(OCc2nc3cc(-c4ccncc4)ccc3s2)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.