Using Cc1n[nH]c2c(C(C)OCC3(c4ccccc4)CCNCC3)cc(C(F)(F)F)cc12, [BH3-]C#N to produce Cc1n[nH]c2c(C(C)OCC3(c4ccccc4)CCN(C)CC3)cc(C(F)(F)F)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.