The SMILES COc1cc2c(C#N)c(N3CCN(c4ccccc4OC)CC3)nc(N)c2c(N)n1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.