Task: Answer the MCQ question.
Question: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES CC(=O)N(C)C1(c2nnnn2CCOC(=O)Nc2cccc3ccccc23)CCCC1?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
[a] 2.055
[b] 15.539
[c] 6.977
Answer: a. 2.055\%.
{#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}.
2-[5-[1-[acetyl(methyl)amino]cyclopentyl]tetrazol-1-yl]ethyl N-naphthalen-1-ylcarbamate