Task: Answer the MCQ question.
Query: Which compound has a -2.125% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a) O=C(CCc1ccccc1)NNC(=O)C1CCCCC1
b) COCc1[nH]nc2c1C(c1c(F)cccc1Cl)C(C#N)=C(N)O2
c) COc1ccc(C(=O)NCCNc2ccc([N+](=O)[O-])cc2)cc1OC
Answer: a. O=C(CCc1ccccc1)NNC(=O)C1CCCCC1
{#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=C(CCc1ccccc1)NNC(=O)C1CCCCC1
O=C(CCc1ccccc1)NNC(=O)C1CCCCC1
N'-(3-phenylpropanoyl)cyclohexanecarbohydrazide