Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 13.891\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) Cc1ccc(CS(=O)(=O)Cc2ccc(C(=O)NC3CCCCCC3)o2)cc1
(b) Cc1cc2ncn(-c3ncccc3[N+](=O)[O-])c2cc1C
(c) COC(=O)Cc1c(C)c2c(O)cc(C)cc2oc1=O
(d) Cc1nn(-c2ccccc2)c(NC(=O)c2ccccc2)c1Br
Answer: b. Cc1cc2ncn(-c3ncccc3[N+](=O)[O-])c2cc1C
{#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#}
Cc1cc2ncn(-c3ncccc3[N+](=O)[O-])c2cc1C
Cc1cc2ncn(-c3ncccc3[N+](=O)[O-])c2cc1C
5,6-dimethyl-1-(3-nitropyridin-2-yl)benzimidazole