Task: Answer the MCQ question.
Question: Which compound exhibits a 12.679\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. CC(C)(C)NC(=O)Cn1cnc([N+](=O)[O-])n1
b. CC1=C(C#N)C(=O)OC(C)(C)C1
c. O=[N+]([O-])c1ccc(N2CCNCC2)cc1NCc1ccco1
Answer: b. CC1=C(C#N)C(=O)OC(C)(C)C1
{#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=C(C#N)C(=O)OC(C)(C)C1
CC1=C(C#N)C(=O)OC(C)(C)C1
2,2,4-trimethyl-6-oxo-3H-pyran-5-carbonitrile