Task: Answer the MCQ question.
Query: Which compound has a 14.821\% 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. CC#CCc1cc2ccccc2c(=O)o1
b. CCOC(=O)c1ccc(Nc2nnc(C(C)(C)C)c(=O)[nH]2)cc1
c. CCNC(=O)c1sc(=S)n(-c2ccc(C)cc2)c1N
Answer: a. CC#CCc1cc2ccccc2c(=O)o1
{#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#}
CC#CCc1cc2ccccc2c(=O)o1
CC#CCc1cc2ccccc2c(=O)o1
3-but-2-ynylisochromen-1-one