Using [BH3-]C#N, CC(C)(C)OC(=O)N1[C@@H]2CC[C@H]1CC(=O)C2 to produce CC(C)(C)OC(=O)N1C2CCC1CC(N)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.