The SMILES COC(=O)C1=C(N)OC2=C(C(=O)CC(C)(C)C2)C1c1ccoc1 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}.