Task: Answer the MCQ question.
Question: Which drug exhibits a 6.621% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(CO)N/N=C/c1ccccc1F
(b) CCC(C)(C)c1ccc(O)cc1
Answer: b. CCC(C)(C)c1ccc(O)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCC(C)(C)c1ccc(O)cc1
CCC(C)(C)c1ccc(O)cc1
4-(2-methylbutan-2-yl)phenol