Task: Answer the multiple choice question.
Query: Which compound exhibits a 23.981\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a) CCn1nnc(NC(=O)c2ccccc2Br)n1
b) C#CCSc1nnc(-c2cccc3ccccc23)o1
c) CN(C)C(=Nc1ccccc1)P(=S)(N(C)C)N(C)C
Answer: a. CCn1nnc(NC(=O)c2ccccc2Br)n1
{#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#}
CCn1nnc(NC(=O)c2ccccc2Br)n1
CCn1nnc(NC(=O)c2ccccc2Br)n1
2-bromo-N-(2-ethyltetrazol-5-yl)benzamide