Task: Answer the multiple choice question.
Question: What is the hERG inhibition at a concentration of 10uM of a drug with the SMILES [Cl-].c1ccc(-[n+]2nc(Nc3cccc4ccccc34)sc2-c2c3ccccc3cc3ccccc23)cc1?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] -20.856
[b] -10.282
[c] 19.754
[d] 17.975
Answer: d. 17.975%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_10uM__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_10uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_10uM#}{herg_central_at_10uM__units}.
[Cl-].c1ccc(-[n+]2nc(Nc3cccc4ccccc34)sc2-c2c3ccccc3cc3ccccc23)cc1
[Cl-].c1ccc(-[n+]2nc(Nc3cccc4ccccc34)sc2-c2c3ccccc3cc3ccccc23)cc1
5-anthracen-9-yl-N-naphthalen-1-yl-4-phenyl-1,3,4-thiadiazol-4-ium-2-amine;chloride