Task: Answer the multiple-choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a compound with the SMILES C=CCNc1nnc(Sc2ncccc2[N+](=O)[O-])s1?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
a: -13.703
b: 17.541
c: 0.269
Answer: c. 0.269\%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_1uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_1uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_1uM#}{herg_central_at_1uM__units}.
C=CCNc1nnc(Sc2ncccc2[N+](=O)[O-])s1
C=CCNc1nnc(Sc2ncccc2[N+](=O)[O-])s1
5-(3-nitropyridin-2-yl)sulfanyl-N-prop-2-enyl-1,3,4-thiadiazol-2-amine