Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 11.876\% 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] O=c1c2ccccc2nc(-c2cccs2)n1-c1ccccc1
[b] c1ccc(-c2csc(Cc3nnc4n3CCCCC4)n2)cc1
Answer: a. O=c1c2ccccc2nc(-c2cccs2)n1-c1ccccc1
{#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#}
O=c1c2ccccc2nc(-c2cccs2)n1-c1ccccc1
O=c1c2ccccc2nc(-c2cccs2)n1-c1ccccc1
3-phenyl-2-thiophen-2-ylquinazolin-4-one