Using CC(C)(C)OC(=O)N1CCC(=C(c2ccccc2)c2nnc(C3CNC3)o2)CC1, [BH3-]C#N to produce CN1CC(c2nnc(C(=C3CCN(C(=O)OC(C)(C)C)CC3)c3ccccc3)o2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.