Task: Answer the multiple-choice question.
Question: Which compound exhibits a 19.880% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a Cn1cncc1C#Cc1ccc2cc(CCCO)oc(=O)c2c1
b O=C(CC1SC(=O)N(c2ccccc2)C1=O)Nc1ccc(Cl)cc1
Answer: a. Cn1cncc1C#Cc1ccc2cc(CCCO)oc(=O)c2c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Cn1cncc1C#Cc1ccc2cc(CCCO)oc(=O)c2c1
Cn1cncc1C#Cc1ccc2cc(CCCO)oc(=O)c2c1
3-(3-hydroxypropyl)-7-[2-(3-methylimidazol-4-yl)ethynyl]isochromen-1-one