Task: Answer the multiple choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a drug with the SMILES CCCCOc1ccc(C2C(=O)N(C3CCCCC3)CC(=O)N2CC2CCCO2)cc1?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] 8.938
[b] -9.419
[c] -3.198
[d] 4.601
Answer: b. -9.419\%.
{#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}.
3-(4-butoxyphenyl)-1-cyclohexyl-4-(oxolan-2-ylmethyl)piperazine-2,5-dione