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 S=c1[nH]c2cc(-c3ccccc3)ccc2o1?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
[a] 13.489
[b] 15.538
[c] 16.190
Answer: b. 15.538\%.
{#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}.
S=c1[nH]c2cc(-c3ccccc3)ccc2o1
S=c1[nH]c2cc(-c3ccccc3)ccc2o1
5-phenyl-3H-1,3-benzoxazole-2-thione