Task: Answer the multiple-choice question.
Question: Which compound has a 0.889\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) COc1cc(C(=O)n2nc(C)cc2C)ccc1O
b) O=C(Cc1ccccc1[N+](=O)[O-])Nc1ccc2c(c1)OCO2
Answer: a. COc1cc(C(=O)n2nc(C)cc2C)ccc1O
{#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#}
COc1cc(C(=O)n2nc(C)cc2C)ccc1O
COc1cc(C(=O)n2nc(C)cc2C)ccc1O
(3,5-dimethylpyrazol-1-yl)-(4-hydroxy-3-methoxyphenyl)methanone