Using CC(=O)c1cc(Cl)c2cccnc2c1N1CCC(F)(F)CC1, [BH3-]C#N to produce CC(N)c1cc(Cl)c2cccnc2c1N1CCC(F)(F)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.