Based on the SMILES Cc1cccc(Cc2nnc(CCC(=O)NCc3cnc4ccccn34)o2)c1, 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}.