Using [BH3-]C#N, N#CC(C#N)=C1NCCN1CCNCc1ccc(CN2CCCCC2)o1 to produce CN(CCN1CCNC1=C(C#N)C#N)Cc1ccc(CN2CCCCC2)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.