Task: Answer the multiple choice question.
Question: Which compound has a 15.871\% 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(NNC(=O)C1CCCCC1)c1ccc(Br)cc1
b.) CNC(=S)N1CCC(NC(=O)C23CC4CC(CC(C4)C2)C3)CC1
Answer: a. O=C(NNC(=O)C1CCCCC1)c1ccc(Br)cc1
{#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(NNC(=O)C1CCCCC1)c1ccc(Br)cc1
O=C(NNC(=O)C1CCCCC1)c1ccc(Br)cc1
4-bromo-N'-(cyclohexanecarbonyl)benzohydrazide