Task: Answer the MCQ question.
Query: Which compound exhibits a 9.691\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. NS(=O)(=O)c1ccc(N2CCCC2=O)c([N+](=O)[O-])c1
b. OC[C@H]1NC[C@@H](O)[C@@H]1O
Answer: a. NS(=O)(=O)c1ccc(N2CCCC2=O)c([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#}
NS(=O)(=O)c1ccc(N2CCCC2=O)c([N+](=O)[O-])c1
NS(=O)(=O)c1ccc(N2CCCC2=O)c([N+](=O)[O-])c1
3-nitro-4-(2-oxopyrrolidin-1-yl)benzenesulfonamide