Task: Answer the multiple-choice question.
Query: Which drug has a -20.691% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] c1ccc(-c2csc3ncnc(NCc4ccccn4)c23)cc1
[b] COC(=O)C(C(=O)OC)C(C(=O)OC)C(C(=O)OC)C(=O)OC
Answer: a. c1ccc(-c2csc3ncnc(NCc4ccccn4)c23)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
c1ccc(-c2csc3ncnc(NCc4ccccn4)c23)cc1
c1ccc(-c2csc3ncnc(NCc4ccccn4)c23)cc1
5-phenyl-N-(pyridin-2-ylmethyl)thieno[2,3-d]pyrimidin-4-amine