Using OB(O)c1ccc(F)nc1, Cn1c(=O)n([C@H]2CCCOC2)c2c3cc(Br)ccc3ncc21 to produce Cn1c(=O)n([C@H]2CCCOC2)c2c3cc(-c4ccc(F)nc4)ccc3ncc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.