Task: Answer the multiple choice question.
Query: Which compound has a 19.922\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a COc1ccccc1Oc1nc([N+](=O)[O-])nn1CC(N)=O
b O=S(=O)(Cc1cc(NCc2ccccc2)nc(-c2ccncc2)n1)c1ccccc1
Answer: a. COc1ccccc1Oc1nc([N+](=O)[O-])nn1CC(N)=O
{#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#}
COc1ccccc1Oc1nc([N+](=O)[O-])nn1CC(N)=O
COc1ccccc1Oc1nc([N+](=O)[O-])nn1CC(N)=O
2-[5-(2-methoxyphenoxy)-3-nitro-1,2,4-triazol-1-yl]acetamide