Task: Answer the MCQ question.
Question: Which compound exhibits a 7.409% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: O=C(Nc1ccccc1)c1cccc2c(Br)cccc12
b: Nc1nc2c(s1)CCc1c-2cnn1-c1ccccc1
c: COc1ccc(-n2c(O)c(/C=N/NS(=O)(=O)c3cc(C)ccc3C)c3ccccc3c2=O)cc1OC
d: CCOc1ncnc2c1[nH]c1ccccc12
Answer: b. Nc1nc2c(s1)CCc1c-2cnn1-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#}
Nc1nc2c(s1)CCc1c-2cnn1-c1ccccc1
Nc1nc2c(s1)CCc1c-2cnn1-c1ccccc1
6-phenyl-4,5-dihydropyrazolo[4,3-e][1,3]benzothiazol-2-amine