Task: Answer the multiple choice question.
Question: Which compound exhibits a -1.479% human ether-à-go-go related gene (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=C(NC(=S)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1)c1ccc(F)cc1
b CCC1(CC)C(=O)N=C2c3ccccc3C(=O)N21
Answer: b. CCC1(CC)C(=O)N=C2c3ccccc3C(=O)N21
{#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#}
CCC1(CC)C(=O)N=C2c3ccccc3C(=O)N21
CCC1(CC)C(=O)N=C2c3ccccc3C(=O)N21
3,3-diethylimidazo[2,1-a]isoindole-2,5-dione