Problem statement: Answer the multiple-choice question.
Query: Which drug has a 4.873\% 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)CC(=O)NC(=S)N1CCN(c2ccc([N+](=O)[O-])cc2Cl)CC1
[b] CC(C)(C)c1cc(C(C)(C)C)n(-c2ccccc2)n1
Answer: a. CC(C)CC(=O)NC(=S)N1CCN(c2ccc([N+](=O)[O-])cc2Cl)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#}
CC(C)CC(=O)NC(=S)N1CCN(c2ccc([N+](=O)[O-])cc2Cl)CC1
CC(C)CC(=O)NC(=S)N1CCN(c2ccc([N+](=O)[O-])cc2Cl)CC1
N-[4-(2-chloro-4-nitrophenyl)piperazine-1-carbothioyl]-3-methylbutanamide