Problem statement: Answer the multiple choice question.
Question: Which drug has a 17.336\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) COc1cc(NC(=O)NNC(=O)c2cc3occc3n2C)cc(OC)c1OC
(b) CCCCN(C)Cc1c(C)[nH]c2c(Cl)cccc2c1=O
(c) COc1ccc2nccnc2c1[N+](=O)[O-]
Answer: c. COc1ccc2nccnc2c1[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#}
COc1ccc2nccnc2c1[N+](=O)[O-]
COc1ccc2nccnc2c1[N+](=O)[O-]
6-methoxy-5-nitroquinoxaline