Task: Answer the MCQ question.
Question: Which compound exhibits a 9.857% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: O=C(CSc1nnc(-c2cccnc2)o1)Oc1ccccc1
b: Brc1ccc(NCc2cccc3ccccc23)nc1
Answer: b. Brc1ccc(NCc2cccc3ccccc23)nc1
{#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#}
Brc1ccc(NCc2cccc3ccccc23)nc1
Brc1ccc(NCc2cccc3ccccc23)nc1
5-bromo-N-(naphthalen-1-ylmethyl)pyridin-2-amine