Using [BH3-]C#N, COc1ccc2c(c1)C(C1(c3ccccc3Cl)CC1)NCC2 to produce COc1ccc2c(c1)C(C1(c3ccccc3Cl)CC1)N(C)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.