Using [BH3-]C#N, COc1cccc(Cc2nc(Nc3ccc(-n4cnc(C)c4)c(OC)c3)nc3c2CNCC3)c1 to produce COc1cccc(Cc2nc(Nc3ccc(-n4cnc(C)c4)c(OC)c3)nc3c2CN(C)CC3)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.