Problem statement: Answer the MCQ question.
Question: Which compound has a 3.819\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) COc1ccccc1CNc1ncccc1[N+](=O)[O-]
b) CC(Oc1ccccc1F)c1nnc(SCC(=O)c2c(N)n(C3CC3)c(=O)[nH]c2=O)o1
Answer: a. COc1ccccc1CNc1ncccc1[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_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#}
COc1ccccc1CNc1ncccc1[N+](=O)[O-]
COc1ccccc1CNc1ncccc1[N+](=O)[O-]
N-[(2-methoxyphenyl)methyl]-3-nitropyridin-2-amine