Task: Answer the multiple-choice question.
Question: Which compound exhibits a 0.495\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=C(O)c1ccc(NC(=O)c2ccccc2NC(=O)c2ccccc2Cl)cc1
[b] CC(C)(C)NC(=O)CCN(/N=C/c1ccc([N+](=O)[O-])o1)C1=NS(=O)(=O)c2ccccc21
Answer: b. CC(C)(C)NC(=O)CCN(/N=C/c1ccc([N+](=O)[O-])o1)C1=NS(=O)(=O)c2ccccc21
{#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(C)(C)NC(=O)CCN(/N=C/c1ccc([N+](=O)[O-])o1)C1=NS(=O)(=O)c2ccccc21
CC(C)(C)NC(=O)CCN(/N=C/c1ccc([N+](=O)[O-])o1)C1=NS(=O)(=O)c2ccccc21
N-tert-butyl-3-[[(E)-(5-nitrofuran-2-yl)methylideneamino]-(1,1-dioxo-1,2-benzothiazol-3-yl)amino]propanamide