Task: Answer the multiple-choice question.
Question: Which compound exhibits a 14.422\% 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) Cc1cc(Br)c(S(=O)(=O)n2nnc3ccccc32)cc1C
(b) CCCCCCCCCCCC1=C(O)C(=O)C=C(O)C1=O
Answer: b. CCCCCCCCCCCC1=C(O)C(=O)C=C(O)C1=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#}
2,5-dihydroxy-3-undecylcyclohexa-2,5-diene-1,4-dione