Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 4.293\% 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 or b without using any other words.
Options:
a. CCOP(=O)(/C(C#N)=C(\C)O)c1ccccc1
b. Cc1ccsc1/C=N/NC(=O)c1nnn(-c2nonc2N)c1-c1ccc2c(c1)OCO2
Answer: a. CCOP(=O)(/C(C#N)=C(\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#}
CCOP(=O)(/C(C#N)=C(\C)O)c1ccccc1
CCOP(=O)(/C(C#N)=C(\C)O)c1ccccc1
(E)-2-[ethoxy(phenyl)phosphoryl]-3-hydroxybut-2-enenitrile