Task: Answer the MCQ question.
Question: Which compound exhibits a 11.720\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CCCCn1cnc2c1c(=O)n(CC(=O)c1cc(C)n(C)c1C)c(=O)n2CC(C)C
b: O=C(NCCC1=CCCCC1)c1cc2ccccc2oc1=O
Answer: b. O=C(NCCC1=CCCCC1)c1cc2ccccc2oc1=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#}
O=C(NCCC1=CCCCC1)c1cc2ccccc2oc1=O
O=C(NCCC1=CCCCC1)c1cc2ccccc2oc1=O
N-[2-(cyclohexen-1-yl)ethyl]-2-oxochromene-3-carboxamide