Task: Answer the multiple-choice question.
Question: Which drug exhibits a 4.313% 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. CCN(CC)CCC(c1ccc(OC)cc1)c1c(O)cc(OC)cc1OC
b. CCOc1ccc(Br)cc1-c1noc(-c2cccs2)n1
Answer: b. CCOc1ccc(Br)cc1-c1noc(-c2cccs2)n1
{#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#}
CCOc1ccc(Br)cc1-c1noc(-c2cccs2)n1
CCOc1ccc(Br)cc1-c1noc(-c2cccs2)n1
3-(5-bromo-2-ethoxyphenyl)-5-thiophen-2-yl-1,2,4-oxadiazole