The molecule with the SMILES representation of O=C1C2C3c4ccccc4C(c4ccccc43)[C@@H]2c2nc3ccccc3n21 is not a hERG blocker.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.