The SMILES COc1ccc(OC)c2c(C)cc(N3CCN(C(=O)c4ccc(C)cc4)CC3)nc12 is not a hERG blocking compound (IC50 less than 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.