Problem statement: Answer the MCQ question.
Question: Which drug has a 6.089\% 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] CCCOc1ccc(N2C(=O)CC(N3CCN(c4ccc([N+](=O)[O-])cc4)CC3)C2=O)cc1
[b] Cc1ccc(S(=O)(=O)N2CCCCC2)cc1NC(=O)c1c(-c2ccccc2)noc1C
[c] C#CCCCCCCCCC(=O)NCCCC
Answer: c. C#CCCCCCCCCC(=O)NCCCC
{#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#}
C#CCCCCCCCCC(=O)NCCCC
C#CCCCCCCCCC(=O)NCCCC
N-butylundec-10-ynamide