Problem statement: Answer the multiple-choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a drug with the SMILES Cc1c(-c2cccs2)[n+](=O)c2c(n1[O-])CCCCC2?
Constraint: You must return none, one or more options from a or b without using any additional words.
Options:
[a] 20.134
[b] 12.271
Answer: b. 12.271\%.
{#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}.
Cc1c(-c2cccs2)[n+](=O)c2c(n1[O-])CCCCC2
Cc1c(-c2cccs2)[n+](=O)c2c(n1[O-])CCCCC2
2-methyl-1-oxido-3-thiophen-2-yl-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyrazin-4-ium 4-oxide