Task: Answer the multiple-choice question.
Question: Which compound exhibits a -0.156\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) N=c1sc2ccccc2n1-c1ccccc1
b.) CCOC(=O)c1cnc2c(-c3ccc(Cl)cc3)cnn2c1C
c.) COc1ccc(C2=NN3C(C2)c2ccccc2OC3c2cccs2)cc1
Answer: a. N=c1sc2ccccc2n1-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#}
N=c1sc2ccccc2n1-c1ccccc1
N=c1sc2ccccc2n1-c1ccccc1
3-phenyl-1,3-benzothiazol-2-imine