Problem statement: Answer the multiple choice question.
Question: Which compound has a 12.829\% 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(C)(C)NS(=O)(=O)c1cc(C(=O)Nc2sccc2C#N)ccc1Cl
[b] Fc1ccc(CNc2cnccn2)cc1
Answer: b. Fc1ccc(CNc2cnccn2)cc1
{#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#}
Fc1ccc(CNc2cnccn2)cc1
Fc1ccc(CNc2cnccn2)cc1
N-[(4-fluorophenyl)methyl]pyrazin-2-amine