Based on the SMILES O=C1c2ccccc2C(=O)N1CSc1nnc2c3ccccc3n(CCc3ccccc3)c2n1, 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}.