Problem statement: 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 Cc1c(C)[n+](=O)c(-c2ccc(Br)cc2)c(C)n1[O-]?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
a. 5.636
b. -5.247
c. 12.682
Answer: c. 12.682\%.
{#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(C)[n+](=O)c(-c2ccc(Br)cc2)c(C)n1[O-]
Cc1c(C)[n+](=O)c(-c2ccc(Br)cc2)c(C)n1[O-]
2-(4-bromophenyl)-3,5,6-trimethyl-4-oxidopyrazin-1-ium 1-oxide