Problem statement: Answer the multiple-choice question.
Question: Which compound has a 9.788\% 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: NC(N)=Nc1nc2ccccc2o1
b: S=c1[nH]nc(-c2cc(-c3ccsc3)n[nH]2)n1-c1ccccc1
Answer: a. NC(N)=Nc1nc2ccccc2o1
{#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#}
NC(N)=Nc1nc2ccccc2o1
NC(N)=Nc1nc2ccccc2o1
2-(1,3-benzoxazol-2-yl)guanidine