Task: Answer the multiple-choice question.
Question: Which compound exhibits a 17.940\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: Oc1ccccc1-c1nc(NC2CCCC2)c2ccccc2n1
b: CCN1CCN(c2nc(Nc3ccccc3)nc(N)c2[N+](=O)[O-])CC1
Answer: a. Oc1ccccc1-c1nc(NC2CCCC2)c2ccccc2n1
{#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#}
Oc1ccccc1-c1nc(NC2CCCC2)c2ccccc2n1
Oc1ccccc1-c1nc(NC2CCCC2)c2ccccc2n1
2-[4-(cyclopentylamino)quinazolin-2-yl]phenol