Task: Answer the MCQ question.
Question: Which drug has a -3.843\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) O=C(NCc1ccccc1)c1nc(-c2cccs2)no1
(b) NC(=O)CC(NC(=O)c1ccccc1)c1ccc(NCc2ccc(F)cc2)c([N+](=O)[O-])c1
(c) O=C(COc1ccccc1)NCCSCc1ccccc1Cl
Answer: a. O=C(NCc1ccccc1)c1nc(-c2cccs2)no1
{#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=C(NCc1ccccc1)c1nc(-c2cccs2)no1
O=C(NCc1ccccc1)c1nc(-c2cccs2)no1
N-benzyl-3-thiophen-2-yl-1,2,4-oxadiazole-5-carboxamide