Problem statement: Answer the MCQ question.
Question: Which drug has a -3.159\% 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 CNc1nc2cc([N+](=O)[O-])c([N+](=O)[O-])cc2nc1NC
b COc1ccc(-c2csc(N)n2)cc1F
Answer: a. CNc1nc2cc([N+](=O)[O-])c([N+](=O)[O-])cc2nc1NC
{#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#}
CNc1nc2cc([N+](=O)[O-])c([N+](=O)[O-])cc2nc1NC
CNc1nc2cc([N+](=O)[O-])c([N+](=O)[O-])cc2nc1NC
2-N,3-N-dimethyl-6,7-dinitroquinoxaline-2,3-diamine