Task: Answer the multiple-choice question.
Query: Which compound has a -0.877\% 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: COc1ccc(-c2[nH]ncc2CN(C)C(C)c2cccs2)c(F)c1
b: O=C(CSc1ncnc2c1sc1ccccc12)Nc1ccc(Br)cc1
Answer: b. O=C(CSc1ncnc2c1sc1ccccc12)Nc1ccc(Br)cc1
{#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(CSc1ncnc2c1sc1ccccc12)Nc1ccc(Br)cc1
O=C(CSc1ncnc2c1sc1ccccc12)Nc1ccc(Br)cc1
N-(4-bromophenyl)-2-([1]benzothiolo[3,2-d]pyrimidin-4-ylsulfanyl)acetamide