Task: Answer the MCQ question.
Query: Which drug has a 7.793\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a O=C(c1cnc2sccn2c1=O)N(Cc1ccccc1)c1ccccn1
b CCOC(=O)c1sc2ncc([N+](=O)[O-])cc2c1N
Answer: b. CCOC(=O)c1sc2ncc([N+](=O)[O-])cc2c1N
{#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#}
(3-amino-2-ethoxycarbonylthieno[2,3-b]pyridin-5-yl)-oxido-oxoazanium