Task: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES O=CN1CCN(C(=O)C(=O)c2cn(CC(=O)N3CCCCC3)c3ccccc23)CC1?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
[a] 16.171
[b] 11.330
Answer: a. 16.171\%.
{#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=CN1CCN(C(=O)C(=O)c2cn(CC(=O)N3CCCCC3)c3ccccc23)CC1
O=CN1CCN(C(=O)C(=O)c2cn(CC(=O)N3CCCCC3)c3ccccc23)CC1
4-[2-oxo-2-[1-(2-oxo-2-piperidin-1-ylethyl)indol-3-yl]acetyl]piperazine-1-carbaldehyde