Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 15.921% human ether-à-go-go related gene (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.) Nc1cc(=O)[nH]c(N)n1
b.) Cn1nc2c3ccccc3n(Cc3ccccc3)c2nc1=S
Answer: a. Nc1cc(=O)[nH]c(N)n1
{#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#}
Nc1cc(=O)[nH]c(N)n1
Nc1cc(=O)[nH]c(N)n1
2,4-diamino-1H-pyrimidin-6-one