Based on the SMILES representation Cc1onc(-c2ccccc2Cl)c1C(=O)Nc1cc(=O)n(C)c(=O)n1C, the molecule is not a hERG blocker.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.