Task: Answer the MCQ question.
Query: Which drug has a 16.239\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: COc1cc2c(cc1OC)C(c1cc(Br)c(OC)c(OC)c1)CC(=O)N2
b: CC(=O)Nc1sc2c(c1C#N)CCCCC2
c: O=C(COC(=O)C12CC3CC(CC(C3)C1)C2)N1CCN(S(=O)(=O)c2ccccc2)CC1
Answer: b. CC(=O)Nc1sc2c(c1C#N)CCCCC2
{#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#}
CC(=O)Nc1sc2c(c1C#N)CCCCC2
CC(=O)Nc1sc2c(c1C#N)CCCCC2
N-(3-cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)acetamide