Task: Answer the MCQ question.
Query: Which drug exhibits a -8.371\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CC(=O)N1N=C(c2cccs2)CC1c1cccc([N+](=O)[O-])c1
[b] CC(=O)N1CCN(S(=O)(=O)c2cccc(C(=O)Nc3ccccc3N3CCOCC3)c2)CC1
Answer: a. CC(=O)N1N=C(c2cccs2)CC1c1cccc([N+](=O)[O-])c1
{#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(=O)N1N=C(c2cccs2)CC1c1cccc([N+](=O)[O-])c1
CC(=O)N1N=C(c2cccs2)CC1c1cccc([N+](=O)[O-])c1
1-[3-(3-nitrophenyl)-5-thiophen-2-yl-3,4-dihydropyrazol-2-yl]ethanone