Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 16.860\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. CC(C)(C)OC(=O)NC1CNNC1=O
b. CCCCc1ccc(NC(=S)NCc2cccs2)cc1
c. O=C(c1ccc([N+](=O)[O-])o1)N1CCc2ccccc21
d. COc1cccc(CC2(CO)CCN(Cc3cccn3-c3cccnc3)CC2)c1
Answer: a. CC(C)(C)OC(=O)NC1CNNC1=O
{#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#}
CC(C)(C)OC(=O)NC1CNNC1=O
CC(C)(C)OC(=O)NC1CNNC1=O
tert-butyl N-(3-oxopyrazolidin-4-yl)carbamate