Problem statement: Answer the MCQ question.
Question: What is the hERG inhibition at 1uM of a compound with the SMILES [O-][Cl+3]([O-])([O-])[O-].c1ccc(-c2cc(-c3ccccc3)[n+](-c3ccccc3)c(-c3ccccc3)c2)cc1?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
a: 11.920
b: -27.678
Answer: b. -27.678\%.
{#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}.
[O-][Cl+3]([O-])([O-])[O-].c1ccc(-c2cc(-c3ccccc3)[n+](-c3ccccc3)c(-c3ccccc3)c2)cc1
[O-][Cl+3]([O-])([O-])[O-].c1ccc(-c2cc(-c3ccccc3)[n+](-c3ccccc3)c(-c3ccccc3)c2)cc1
1,2,4,6-tetraphenylpyridin-1-ium;perchlorate