Task: Answer the multiple choice question.
Question: Which compound has a 20.156% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a Brc1ccsc1/C=N/Nc1ccccc1
b COC(=O)c1cnn(-c2ccccc2)c1C(OC)OC
Answer: a. Brc1ccsc1/C=N/Nc1ccccc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Brc1ccsc1/C=N/Nc1ccccc1
Brc1ccsc1/C=N/Nc1ccccc1
N-[(E)-(3-bromothiophen-2-yl)methylideneamino]aniline