Task: Answer the MCQ question.
Query: Which drug exhibits a 8.672\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) O=C(NNS(=O)(=O)c1ccc(Br)cc1)c1ccncc1
b) CSc1sc(C#N)c2c1/C(=N\O)CCC2
Answer: a. O=C(NNS(=O)(=O)c1ccc(Br)cc1)c1ccncc1
{#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(NNS(=O)(=O)c1ccc(Br)cc1)c1ccncc1
O=C(NNS(=O)(=O)c1ccc(Br)cc1)c1ccncc1
N'-(4-bromophenyl)sulfonylpyridine-4-carbohydrazide