Task: Answer the MCQ question.
Question: Which drug has a -62.887% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCCCCCC1C(C#N)=C(N)OC2=C1C(=O)CC(C)(C)C2
(b) O=C(N/N=C/c1ccc([N+](=O)[O-])o1)c1cc(-c2ccncc2)nc2ccccc12
Answer: b. O=C(N/N=C/c1ccc([N+](=O)[O-])o1)c1cc(-c2ccncc2)nc2ccccc12
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(N/N=C/c1ccc([N+](=O)[O-])o1)c1cc(-c2ccncc2)nc2ccccc12
O=C(N/N=C/c1ccc([N+](=O)[O-])o1)c1cc(-c2ccncc2)nc2ccccc12
N-[(E)-(5-nitrofuran-2-yl)methylideneamino]-2-pyridin-4-ylquinoline-4-carboxamide