Problem statement: Answer the multiple-choice question.
Question: Which drug has a 8.758\% 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. CC(C(=O)NC(C)(C)C)N(C(=O)CS(=O)CC(=O)Nc1ccc(F)cc1)c1ccccc1F
b. O=CN1CCN(C(=O)c2cccc([N+](=O)[O-])c2)CC1
Answer: b. O=CN1CCN(C(=O)c2cccc([N+](=O)[O-])c2)CC1
{#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=CN1CCN(C(=O)c2cccc([N+](=O)[O-])c2)CC1
O=CN1CCN(C(=O)c2cccc([N+](=O)[O-])c2)CC1
4-(3-nitrobenzoyl)piperazine-1-carbaldehyde