The SMILES COc1ccc(NC(=O)Cn2nc(Cc3cccnc3)c3ccccc3c2=O)c(OC)c1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.