Task: Answer the MCQ question.
Question: What is the hERG inhibition at 1uM of a drug with the SMILES CC(=O)NC(C)c1nc2ccccc2n1CC(=O)NC(C)CCc1ccccc1?
Constraint: You must return none, one or more options from a or b without using any additional words.
Options:
[a] 3.899
[b] 2.491
Answer: b. 2.491\%.
{#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}.
CC(=O)NC(C)c1nc2ccccc2n1CC(=O)NC(C)CCc1ccccc1
CC(=O)NC(C)c1nc2ccccc2n1CC(=O)NC(C)CCc1ccccc1
2-[2-(1-acetamidoethyl)benzimidazol-1-yl]-N-(4-phenylbutan-2-yl)acetamide