Task: Answer the MCQ question.
Question: What is the hERG inhibition at 1uM of a compound with the SMILES O=C(O)CCC(=O)N1CCN(c2ccccn2)CC1?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
[a] 9.215
[b] 2.535
Answer: a. 9.215\%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_1uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_1uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_1uM#}{herg_central_at_1uM__units}.
O=C(O)CCC(=O)N1CCN(c2ccccn2)CC1
O=C(O)CCC(=O)N1CCN(c2ccccn2)CC1
4-hydroxy-4-oxo-1-(4-pyridin-2-ylpiperazin-1-yl)butan-1-one