Task: Answer the MCQ question.
Query: Which compound exhibits a 17.298\% human ether-à-go-go related gene (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] CSc1ncc(CNc2cc([N+](=O)[O-])ccc2C)c(N)n1
[b] COc1ccc(CN2C(=O)c3cccnc3C2=O)cc1S(=O)(=O)N(C)c1ccc(C)cc1
Answer: a. CSc1ncc(CNc2cc([N+](=O)[O-])ccc2C)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_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#}
CSc1ncc(CNc2cc([N+](=O)[O-])ccc2C)c(N)n1
CSc1ncc(CNc2cc([N+](=O)[O-])ccc2C)c(N)n1
5-[(2-methyl-5-nitroanilino)methyl]-2-methylsulfanylpyrimidin-4-amine