The SMILES COC(=O)c1ccccc1NC(=O)CSc1n[nH]c(-c2ccco2)n1 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}.