Task: Answer the MCQ question.
Question: Which drug has a 8.774\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] COc1ccc(CC(=O)NNC(=O)CCc2ccccc2)cc1OC
[b] Cc1ccc(C(=O)N2CCN(c3ccccn3)CC2)cc1[N+](=O)[O-]
Answer: b. Cc1ccc(C(=O)N2CCN(c3ccccn3)CC2)cc1[N+](=O)[O-]
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Cc1ccc(C(=O)N2CCN(c3ccccn3)CC2)cc1[N+](=O)[O-]
Cc1ccc(C(=O)N2CCN(c3ccccn3)CC2)cc1[N+](=O)[O-]
(4-methyl-3-nitrophenyl)-(4-pyridin-2-ylpiperazin-1-yl)methanone