Task: Answer the multiple-choice question.
Query: Which drug exhibits a 13.336\% 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] CCN(C(=O)CSc1cc(C)c2ccccc2n1)C1CCS(=O)(=O)C1
[b] COc1cc(-c2nc3ccccn3c2N)ccc1O
Answer: b. COc1cc(-c2nc3ccccn3c2N)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(-c2nc3ccccn3c2N)ccc1O
COc1cc(-c2nc3ccccn3c2N)ccc1O
4-(3-aminoimidazo[1,2-a]pyridin-2-yl)-2-methoxyphenol