Task: Answer the multiple choice question.
Question: Which compound exhibits a 9.531\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=C1CC(C(=O)N2CCN(c3ccc(F)cc3)CC2)CN1CCc1ccccc1
b. Brc1ccc(-c2cnco2)cc1
Answer: b. Brc1ccc(-c2cnco2)cc1
{#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#}
Brc1ccc(-c2cnco2)cc1
Brc1ccc(-c2cnco2)cc1
5-(4-bromophenyl)-1,3-oxazole