Using [BH3-]C#N, c1ccc(CNCCC(c2ccccc2)c2ccccc2)cc1 to produce CN(CCC(c1ccccc1)c1ccccc1)Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.