Problem statement: Answer the multiple choice question.
Query: Which compound has a 6.813\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: Oc1ccc(-c2nc(-c3ccc(O)c(O)c3)cs2)cc1
b: CCOC(=O)c1c(C)c(C)n(Cc2ccc(OC)c(OC)c2)c1C
c: CC1=C(C(=O)Nc2ccc(Cl)cc2)C(c2ccncc2)C(C#N)=C(SCC(N)=O)N1
d: Cc1[nH]nc(N2CCCCC2)c1[N+](=O)[O-]
Answer: d. Cc1[nH]nc(N2CCCCC2)c1[N+](=O)[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#}
Cc1[nH]nc(N2CCCCC2)c1[N+](=O)[O-]
Cc1[nH]nc(N2CCCCC2)c1[N+](=O)[O-]
(5-methyl-3-piperidin-1-yl-1H-pyrazol-4-yl)-oxido-oxoazanium