Task: Answer the multiple choice question.
Query: Which compound exhibits a -3.847\% 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) CN1C(=S)SC(N(O)C(=O)Nc2cccc3ccccc23)C1(C)C
b) COc1cc(-c2nc3ccccc3s2)ccc1O
Answer: b. COc1cc(-c2nc3ccccc3s2)ccc1O
{#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#}
COc1cc(-c2nc3ccccc3s2)ccc1O
COc1cc(-c2nc3ccccc3s2)ccc1O
4-(1,3-benzothiazol-2-yl)-2-methoxyphenol