Task: Answer the multiple-choice question.
Question: Which drug exhibits a 15.591\% 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] CCCc1cc(=O)[nH]c(SCCCCN2C(=O)c3ccccc3C2=O)n1
[b] CC(=O)Nc1ccc2nc(NC(=O)c3ccc([N+](=O)[O-])o3)sc2c1
Answer: b. CC(=O)Nc1ccc2nc(NC(=O)c3ccc([N+](=O)[O-])o3)sc2c1
{#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#}
CC(=O)Nc1ccc2nc(NC(=O)c3ccc([N+](=O)[O-])o3)sc2c1
CC(=O)Nc1ccc2nc(NC(=O)c3ccc([N+](=O)[O-])o3)sc2c1
N-(6-acetamido-1,3-benzothiazol-2-yl)-5-nitrofuran-2-carboxamide