Task: Please classify a molecule based on the description.
Description: A molecule that is a human ether-à-go-go related gene (hERG) blocker (<10uM).
Molecule SMILES: O=C(Cc1ccc(-n2cnnn2)cc1)N1CCN(CCc2ccc([N+](=O)[O-])cc2)CC1
Constraint: Answer the question in a complete sentence.
Result: This molecule is human ether-à-go-go related gene (hERG) blocker (<10uM).
Task: Please classify a molecule based on the description.
Description: A molecule that is a {herg_blocker__names__noun}.
{#Molecule |!}{SMILES__description}: {SMILES#}
Constraint: Answer the question in a {#full|complete!} sentence.
Result: This molecule is {herg_blocker#no &NULL}{herg_blocker__names__noun}.
1-[4-[2-(4-nitrophenyl)ethyl]piperazin-1-yl]-2-[4-(tetrazol-1-yl)phenyl]ethanone