Task: Answer the multiple-choice question.
Question: Which drug has a 1.538% 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=[N+]([O-])c1ccccc1SNc1ccccn1
[b] O=C(O)c1ccc(/C=N\Nc2ccccn2)cc1
Answer: a. O=[N+]([O-])c1ccccc1SNc1ccccn1
{#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#}
O=[N+]([O-])c1ccccc1SNc1ccccn1
O=[N+]([O-])c1ccccc1SNc1ccccn1
N-(2-nitrophenyl)sulfanylpyridin-2-amine