The molecule with the SMILES COC(=O)CC1C(=O)NCCN1C(=O)CSc1nnnn1-c1ccc(Cl)cc1 is not a hERG blocker.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.