Task: Answer the multiple-choice question.
Question: Which drug exhibits a -9.153% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=CNC1CCCc2c1[nH]c1ccc(Cl)cc21
b. COC(=O)c1cc(C(=O)OC)cc(N2C(=O)CC(NNC(=O)c3ccc(C)cc3)C2=O)c1
Answer: a. O=CNC1CCCc2c1[nH]c1ccc(Cl)cc21
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=CNC1CCCc2c1[nH]c1ccc(Cl)cc21
O=CNC1CCCc2c1[nH]c1ccc(Cl)cc21
N-(6-chloro-2,3,4,9-tetrahydro-1H-carbazol-1-yl)formamide