Task: Answer the multiple choice question.
Query: Which compound exhibits a 20.939\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. N#C/C(=C\c1ccc[nH]1)C(=O)c1ccccc1
b. O=C(NCc1ccccn1)c1ccc([N+](=O)[O-])cc1
Answer: a. N#C/C(=C\c1ccc[nH]1)C(=O)c1ccccc1
{#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#}
N#C/C(=C\c1ccc[nH]1)C(=O)c1ccccc1
N#C/C(=C\c1ccc[nH]1)C(=O)c1ccccc1
(E)-2-benzoyl-3-(1H-pyrrol-2-yl)prop-2-enenitrile