Task: Answer the multiple choice question.
Query: Which drug has a 6.583\% 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 O=C(O)C(=O)O.O=C(c1cccc(F)c1)N1CCC(N2CCOCC2)CC1
b Cn1c(-c2ccc([N+](=O)[O-])cc2)nc2ccccc21
Answer: b. Cn1c(-c2ccc([N+](=O)[O-])cc2)nc2ccccc21
{#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#}
Cn1c(-c2ccc([N+](=O)[O-])cc2)nc2ccccc21
Cn1c(-c2ccc([N+](=O)[O-])cc2)nc2ccccc21
[4-(1-methylbenzimidazol-2-yl)phenyl]-oxido-oxoazanium