Task: Answer the multiple choice question.
Question: Which compound exhibits a 13.125% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=C(COC(=O)C1CCN(c2ccc(C(F)(F)F)cn2)CC1)NC1CCCCC1
[b] O=C(O)CCC(=O)NNC(=O)CCC1CCCCC1
Answer: b. O=C(O)CCC(=O)NNC(=O)CCC1CCCCC1
{#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(O)CCC(=O)NNC(=O)CCC1CCCCC1
O=C(O)CCC(=O)NNC(=O)CCC1CCCCC1
N'-(3-cyclohexylpropanoyl)-4-hydroxy-4-oxobutanehydrazide