Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 8.555\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: COc1ccccc1S(=O)(=O)Cc1ccc(C(=O)NCc2cccs2)o1
b: CC1CCCCN1C(=O)c1ccc(Br)o1
Answer: b. CC1CCCCN1C(=O)c1ccc(Br)o1
{#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#}
CC1CCCCN1C(=O)c1ccc(Br)o1
CC1CCCCN1C(=O)c1ccc(Br)o1
(5-bromofuran-2-yl)-(2-methylpiperidin-1-yl)methanone