Task: Answer the MCQ question.
Query: Which compound exhibits a 8.603\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=[n+]1cc(-c2cc3ccccc3o2)n([O-])c2c1CCCC2
[b] CCOC(=O)CN1C(=O)C(O)=C(C(C)=O)C1c1ccc(F)cc1
Answer: a. O=[n+]1cc(-c2cc3ccccc3o2)n([O-])c2c1CCCC2
{#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#}
O=[n+]1cc(-c2cc3ccccc3o2)n([O-])c2c1CCCC2
O=[n+]1cc(-c2cc3ccccc3o2)n([O-])c2c1CCCC2
3-(1-benzofuran-2-yl)-4-oxido-5,6,7,8-tetrahydroquinoxalin-1-ium 1-oxide