Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 22.066% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: O=C(NCC1(N2CCCCC2)CCCCC1)c1cccc(Br)c1
b: O=C(COc1ccccc1[N+](=O)[O-])Nc1ccc2oc(=O)ccc2c1
Answer: b. O=C(COc1ccccc1[N+](=O)[O-])Nc1ccc2oc(=O)ccc2c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(COc1ccccc1[N+](=O)[O-])Nc1ccc2oc(=O)ccc2c1
O=C(COc1ccccc1[N+](=O)[O-])Nc1ccc2oc(=O)ccc2c1
oxido-oxo-[2-[2-oxo-2-[(2-oxochromen-6-yl)amino]ethoxy]phenyl]azanium