Task: Answer the MCQ question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES Cn1c(C(C#N)C(=O)Cc2cccc3ccccc23)nc2ccccc21?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
[a] 11.644
[b] 5.463
Answer: a. 11.644\%.
{#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}.
Cn1c(C(C#N)C(=O)Cc2cccc3ccccc23)nc2ccccc21
Cn1c(C(C#N)C(=O)Cc2cccc3ccccc23)nc2ccccc21
2-(1-methylbenzimidazol-2-yl)-4-naphthalen-1-yl-3-oxobutanenitrile