The molecule with the SMILES representation of CCCCNC(=O)[C@@H]1CC=C[C@@H]2CCN(Cc3ccc(Cl)c(Cl)c3)C(=O)[C@@H]21 is not a hERG blocking compound (IC50 < 10uM).
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.