Task: Answer the MCQ question.
Query: Which compound has a 6.389\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a CC(C#N)(Nc1ccc(Cl)cc1)c1cccnc1
b O=C(Cc1ccc(S(=O)(=O)N2CCOCC2)s1)N1CCN(S(=O)(=O)c2cccc([N+](=O)[O-])c2)CC1
c CCCCn1c(N)c(N(CC(C)C)C(=O)c2ccccc2-n2cnnn2)c(=O)[nH]c1=O
Answer: a. CC(C#N)(Nc1ccc(Cl)cc1)c1cccnc1
{#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#N)(Nc1ccc(Cl)cc1)c1cccnc1
CC(C#N)(Nc1ccc(Cl)cc1)c1cccnc1
2-(4-chloroanilino)-2-pyridin-3-ylpropanenitrile