Task: Answer the multiple-choice question.
Query: Which drug has a 15.876\% 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) COc1ccc(C(=S)N2CCOCC2)cc1OS(=O)(=O)c1ccc(Br)cc1
(b) O=C(O)CN1C(=O)c2cccc3c(Br)ccc1c23
(c) COc1ccccc1OCc1ccc(C(=O)c2ccccc2)cc1
Answer: b. O=C(O)CN1C(=O)c2cccc3c(Br)ccc1c23
{#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#}
O=C(O)CN1C(=O)c2cccc3c(Br)ccc1c23
O=C(O)CN1C(=O)c2cccc3c(Br)ccc1c23
2-(6-bromo-2-oxobenzo[cd]indol-1-yl)acetic acid