Task: Answer the multiple-choice question.
Question: Which drug has a 13.888\% 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: Cc1cc(-c2ccc([N+](=O)[O-])cc2)nc2ccccc12.Cl
b: Cn1c(SCc2nc(-c3ccccc3)no2)nnc1-c1cccs1
Answer: a. Cc1cc(-c2ccc([N+](=O)[O-])cc2)nc2ccccc12.Cl
{#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#}
Cc1cc(-c2ccc([N+](=O)[O-])cc2)nc2ccccc12.Cl
Cc1cc(-c2ccc([N+](=O)[O-])cc2)nc2ccccc12.Cl
4-methyl-2-(4-nitrophenyl)quinoline;hydrochloride