Task: Answer the MCQ question.
Question: What is the hERG inhibition at a concentration of 10uM of a drug with the SMILES CC(C)(C)C(=O)C1C(c2ccccc2)C2(C(=O)c3ccccc3C2=O)C2C=CC(C#N)=CN12?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] 20.887
[b] 4.648
[c] 5.422
[d] 2.944
Answer: c. 5.422%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_10uM__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_10uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_10uM#}{herg_central_at_10uM__units}.
CC(C)(C)C(=O)C1C(c2ccccc2)C2(C(=O)c3ccccc3C2=O)C2C=CC(C#N)=CN12
CC(C)(C)C(=O)C1C(c2ccccc2)C2(C(=O)c3ccccc3C2=O)C2C=CC(C#N)=CN12
3-(2,2-dimethylpropanoyl)-1',3'-dioxo-2-phenylspiro[3,8a-dihydro-2H-indolizine-1,2'-indene]-6-carbonitrile