Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a -4.068\% 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: Cc1c(C(=O)NC2CCCc3ccccc32)cccc1[N+](=O)[O-]
b: O=C1CCCc2sccc2N1
c: Cc1ccc(OCc2nc(C#N)c(N3CCCCC3)o2)cc1
d: N#Cc1ccc(NC(=O)CCc2nc3ccccc3s2)cc1
Answer: b. O=C1CCCc2sccc2N1
{#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#}
O=C1CCCc2sccc2N1
O=C1CCCc2sccc2N1
4,6,7,8-tetrahydrothieno[3,2-b]azepin-5-one