Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 15.916\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCOCC(=O)Nc1nc2ccccc2s1
[b] COc1cc(C)c(C)cc1S(=O)(=O)N1CCN(Cc2ccc3c(c2)OCO3)CC1
Answer: a. CCOCC(=O)Nc1nc2ccccc2s1
{#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#}
CCOCC(=O)Nc1nc2ccccc2s1
CCOCC(=O)Nc1nc2ccccc2s1
2-ethoxy-N-(1,3-benzothiazol-2-yl)acetamide