Task: Answer the MCQ question.
Question: Which drug exhibits a -29.826% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CC(Nc1ncnc2sccc12)c1ccccc1
(b) Nc1nccnc1C(=O)OCC(=O)Nc1ccc2[nH]c(=O)[nH]c2c1
Answer: a. CC(Nc1ncnc2sccc12)c1ccccc1
{#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#}
CC(Nc1ncnc2sccc12)c1ccccc1
CC(Nc1ncnc2sccc12)c1ccccc1
N-(1-phenylethyl)thieno[2,3-d]pyrimidin-4-amine