Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 7.126\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=C(Nc1ccc(Cl)c([N+](=O)[O-])c1)c1ccco1
b. Nc1nonc1-c1nc2ccccc2n1CC(=O)O
Answer: b. Nc1nonc1-c1nc2ccccc2n1CC(=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#}
Nc1nonc1-c1nc2ccccc2n1CC(=O)O
Nc1nonc1-c1nc2ccccc2n1CC(=O)O
2-[2-(4-amino-1,2,5-oxadiazol-3-yl)benzimidazol-1-yl]acetic acid