Task: Answer the multiple-choice question.
Question: Which drug has a 12.180\% 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 Cn1cnc(NCc2ccccc2)c1[N+](=O)[O-]
b COc1cc2[nH]c(C(=O)N3CCC(Cc4ccccc4)CC3)cc2c(OC)c1OC
Answer: a. Cn1cnc(NCc2ccccc2)c1[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#}
Cn1cnc(NCc2ccccc2)c1[N+](=O)[O-]
Cn1cnc(NCc2ccccc2)c1[N+](=O)[O-]
N-benzyl-1-methyl-5-nitroimidazol-4-amine