Using OB(O)c1cc(F)c(F)c(F)c1, COC(=O)c1ccnc(Br)c1 to produce COC(=O)c1ccnc(-c2cc(F)c(F)c(F)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.