Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 8.036\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a O=C(O)c1cccc(Oc2ccccc2[N+](=O)[O-])c1
b Cc1ccc(C)n1CCN1CCN(C(=O)CC#N)CC1
c O=C(OCC(=O)c1ccc(S(=O)(=O)N2CCCC2)cc1)C1=COCCO1
Answer: b. Cc1ccc(C)n1CCN1CCN(C(=O)CC#N)CC1
{#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#}
3-[4-[2-(2,5-dimethylpyrrol-1-yl)ethyl]piperazin-1-yl]-3-oxopropanenitrile