Problem statement: Answer the multiple-choice question.
Question: Which compound has a -0.532\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=C(Nc1cccc([N+](=O)[O-])c1)c1ccc2snnc2c1
[b] CN(C)c1nc(N)nc(CSc2nc3c(c(=O)n(C)c(=O)n3C)n2Cc2ccccc2F)n1
Answer: a. O=C(Nc1cccc([N+](=O)[O-])c1)c1ccc2snnc2c1
{#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#}
O=C(Nc1cccc([N+](=O)[O-])c1)c1ccc2snnc2c1
O=C(Nc1cccc([N+](=O)[O-])c1)c1ccc2snnc2c1
[3-(1,2,3-benzothiadiazole-5-carbonylamino)phenyl]-oxido-oxoazanium