Task: Answer the MCQ question.
Query: Which compound has a 7.934\% 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 other words.
Options:
[a] CCn1c(C)nc([N+](=O)[O-])c1C(=O)O
[b] CC(C)[C@@H](COc1ccccc1)N1CCN(Cc2ccccc2)CCC1=O
Answer: a. CCn1c(C)nc([N+](=O)[O-])c1C(=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#}
CCn1c(C)nc([N+](=O)[O-])c1C(=O)O
CCn1c(C)nc([N+](=O)[O-])c1C(=O)O
3-ethyl-2-methyl-5-nitroimidazole-4-carboxylic acid