Using CC1CN(C(=O)C(F)(F)F)CCc2ccc(Cl)cc21, F[B-](F)(F)F to produce CC1CN(C(=O)C(F)(F)F)CCc2cc(F)c(Cl)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.