Problem statement: Answer the multiple-choice question.
Query: Which drug has a 8.240\% 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: COc1cccc(N2CCN(C(=O)c3oc4ccccc4c3NC(=O)CCc3cc(OC)no3)CC2)c1
b: Cc1cc2nc(CS)[nH]c2cc1C
c: O=C(O)CC(NC(=O)C(c1ccccc1)c1ccccc1)c1cccc([N+](=O)[O-])c1
Answer: b. Cc1cc2nc(CS)[nH]c2cc1C
{#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#}
Cc1cc2nc(CS)[nH]c2cc1C
Cc1cc2nc(CS)[nH]c2cc1C
(5,6-dimethyl-1H-benzimidazol-2-yl)methanethiol