Based on the SMILES representation O=C1C2C3C=CC(C2C(=O)N1c1nccs1)C1C(=O)N(c2nccs2)C(=O)C31, the molecule is not a hERG blocking compound.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.