Task: Answer the multiple-choice question.
Query: Which compound has a 7.617\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a N#CC1=C(SCc2ccc(C#N)cc2)N=C(N)C(c2nc(-c3ccccc3)cs2)C12CCCCC2
b CCCCNc1nc(N)ncc1[N+](=O)[O-]
Answer: b. CCCCNc1nc(N)ncc1[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#}
CCCCNc1nc(N)ncc1[N+](=O)[O-]
CCCCNc1nc(N)ncc1[N+](=O)[O-]
4-N-butyl-5-nitropyrimidine-2,4-diamine