Using O=C1c2nnc(Br)n2CCN1Cc1cccc(C(F)(F)F)c1Cl, OB(O)c1ccc(F)cc1 to produce O=C1c2nnc(-c3ccc(F)cc3)n2CCN1Cc1cccc(C(F)(F)F)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.