Task: Answer the multiple choice question.
Question: Which compound has a 12.817\% 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: Cc1ccc(NS(=O)(=O)c2ccc(Cl)c(NC(=S)NC(=O)C3CCCCC3)c2)cc1Cl
b: C#CCOC(=O)c1ccccc1C(=O)O
c: O=C(N/N=C/c1ccc(-c2ccc(S(=O)(=O)Nc3ncccn3)cc2)o1)c1cc2ccccc2cc1O
Answer: b. C#CCOC(=O)c1ccccc1C(=O)O
{#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#}
2-prop-2-ynoxycarbonylbenzoic acid