Task: Answer the multiple-choice question.
Question: Which compound has a 7.686\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) COc1ccccc1NS(=O)(=O)c1ccc(O)cc1
b.) COc1ncccc1-c1nnn(-c2ccccc2)n1
c.) Cc1c(Cl)c([N+](=O)[O-])nn1CCCC(=O)NCCc1ccccc1
Answer: b. COc1ncccc1-c1nnn(-c2ccccc2)n1
{#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#}
COc1ncccc1-c1nnn(-c2ccccc2)n1
COc1ncccc1-c1nnn(-c2ccccc2)n1
2-methoxy-3-(2-phenyltetrazol-5-yl)pyridine