Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 0.734\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) O=C(CSC1=NCCN1)C1COc2ccccc2O1
b.) CCCCNC1C(CC)C(CCC)C(C#N)(C#N)C1(C#N)C#N
c.) O=C(N/N=C/c1ccc(OC(=O)c2ccccc2)c([N+](=O)[O-])c1)c1ccc(O)cc1
Answer: b. CCCCNC1C(CC)C(CCC)C(C#N)(C#N)C1(C#N)C#N
{#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#}
CCCCNC1C(CC)C(CCC)C(C#N)(C#N)C1(C#N)C#N
CCCCNC1C(CC)C(CCC)C(C#N)(C#N)C1(C#N)C#N
3-(butylamino)-4-ethyl-5-propylcyclopentane-1,1,2,2-tetracarbonitrile