Task: Answer the multiple choice question.
Question: Which compound has a 10.123% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: NC(=S)N/N=C1/CCSc2ccc3ccccc3c21
b: CCOC(=O)NNc1ccc2nonc2c1[N+](=O)[O-]
Answer: b. CCOC(=O)NNc1ccc2nonc2c1[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_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCOC(=O)NNc1ccc2nonc2c1[N+](=O)[O-]
CCOC(=O)NNc1ccc2nonc2c1[N+](=O)[O-]
ethyl N-[(4-nitro-2,1,3-benzoxadiazol-5-yl)amino]carbamate