Task: Answer the multiple-choice question.
Query: Which compound exhibits a 15.880\% 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.) Cc1cc[n+]2cc(-c3cccc([N+](=O)[O-])c3)c(-c3cccc([N+](=O)[O-])c3)cc2c1.[Br-]
b.) Cn1c(=O)n(C)c2cc([N+](=O)[O-])c(N3CCN(S(C)(=O)=O)CC3)cc21
Answer: b. Cn1c(=O)n(C)c2cc([N+](=O)[O-])c(N3CCN(S(C)(=O)=O)CC3)cc21
{#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#}
Cn1c(=O)n(C)c2cc([N+](=O)[O-])c(N3CCN(S(C)(=O)=O)CC3)cc21
Cn1c(=O)n(C)c2cc([N+](=O)[O-])c(N3CCN(S(C)(=O)=O)CC3)cc21
1,3-dimethyl-5-(4-methylsulfonylpiperazin-1-yl)-6-nitrobenzimidazol-2-one