Task: Answer the MCQ question.
Question: Which compound exhibits a 6.322\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a Nc1ccccc1-c1nc2ccccc2s1
b COc1cccc(CN2CC(C(=O)N(C)Cc3ccc(C)cc3)CCC2=O)c1
Answer: a. Nc1ccccc1-c1nc2ccccc2s1
{#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#}
Nc1ccccc1-c1nc2ccccc2s1
Nc1ccccc1-c1nc2ccccc2s1
2-(1,3-benzothiazol-2-yl)aniline