Task: Answer the multiple-choice question.
Query: Which compound exhibits a 16.830\% 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) CCCCCC(=O)C(=O)c1ccc(O)cc1O
(b) O=C(COc1ccc(/C=N/NC(=O)c2cccnc2)cc1)Nc1ccccc1
Answer: a. CCCCCC(=O)C(=O)c1ccc(O)cc1O
{#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#}
CCCCCC(=O)C(=O)c1ccc(O)cc1O
CCCCCC(=O)C(=O)c1ccc(O)cc1O
1-(2,4-dihydroxyphenyl)heptane-1,2-dione