Using [BH3-]C#N, C[C@@H]1C(=O)NN=C2COc3cc(-c4ccccc4F)c([C@@H](C)C4(C)CNC4)cc3N21 to produce C[C@@H]1C(=O)NN=C2COc3cc(-c4ccccc4F)c([C@@H](C)C4(C)CN(C)C4)cc3N21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.