Task: Answer the multiple-choice question.
Query: Which compound exhibits a 1.871\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) CN1/C(=C\C(=O)C[n+]2cccc(Br)c2)C(C)(C)c2ccccc21.[Cl-]
b) CCc1nc2ccc(C(=O)Nc3cccc(C(C)=O)c3)cc2nc1CC
c) CCCOc1ccc(-c2cn3ccccc3n2)cc1[N+](=O)[O-]
Answer: c. CCCOc1ccc(-c2cn3ccccc3n2)cc1[N+](=O)[O-]
{#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#}
CCCOc1ccc(-c2cn3ccccc3n2)cc1[N+](=O)[O-]
CCCOc1ccc(-c2cn3ccccc3n2)cc1[N+](=O)[O-]
2-(3-nitro-4-propoxyphenyl)imidazo[1,2-a]pyridine