Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a -4.286\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CC1Cc2ccccc2N1S(=O)(=O)c1c(N)n(C)c(=O)n(C)c1=O
b: O=C(CSc1nccn1-c1ccccc1)N1CCc2ccccc21
Answer: b. O=C(CSc1nccn1-c1ccccc1)N1CCc2ccccc21
{#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(CSc1nccn1-c1ccccc1)N1CCc2ccccc21
O=C(CSc1nccn1-c1ccccc1)N1CCc2ccccc21
1-(2,3-dihydroindol-1-yl)-2-(1-phenylimidazol-2-yl)sulfanylethanone