Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 19.853\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: CCCCNC(=O)c1cc([N+](=O)[O-])[nH]n1
b: Cc1cc(C)c2c(c1)/C(=N/NS(=O)(=O)c1ccc(Br)cc1)CCC2
c: COc1ccccc1C(=O)NCCC(=O)N(C)CC(=O)Nc1ccc(Cl)cc1
Answer: a. CCCCNC(=O)c1cc([N+](=O)[O-])[nH]n1
{#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#}
CCCCNC(=O)c1cc([N+](=O)[O-])[nH]n1
CCCCNC(=O)c1cc([N+](=O)[O-])[nH]n1
N-butyl-5-nitro-1H-pyrazole-3-carboxamide