Task: Answer the multiple-choice question.
Query: Which drug has a 13.681\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: Oc1ccccc1C(Nc1nccs1)c1ccc2cccnc2c1O
b: COc1ccc(OC)c(NC(=O)c2cc(-c3c(C)cc(C)cc3O)n[nH]2)c1
Answer: a. Oc1ccccc1C(Nc1nccs1)c1ccc2cccnc2c1O
{#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#}
Oc1ccccc1C(Nc1nccs1)c1ccc2cccnc2c1O
Oc1ccccc1C(Nc1nccs1)c1ccc2cccnc2c1O
7-[(2-hydroxyphenyl)-(1,3-thiazol-2-ylamino)methyl]quinolin-8-ol