Task: Answer the multiple choice question.
Question: Which drug exhibits a 18.564\% 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 other words.
Options:
a: CNCCCc1ccccc1.Cl
b: S=c1nc(C2COc3ccccc3O2)[nH][nH]1
Answer: b. S=c1nc(C2COc3ccccc3O2)[nH][nH]1
{#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#}
5-(2,3-dihydro-1,4-benzodioxin-3-yl)-1,2-dihydro-1,2,4-triazole-3-thione