Problem statement: Answer the MCQ question.
Question: What is the hERG inhibition at a concentration of 10uM of a drug with the SMILES O=[N+]([O-])c1cccc(-c2cc3sc4ccccc4[n+]3cc2-c2cccc([N+](=O)[O-])c2)c1.[Br-]?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
(a) -10.458
(b) -21.251
Answer: b. -21.251%.
{#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}.
O=[N+]([O-])c1cccc(-c2cc3sc4ccccc4[n+]3cc2-c2cccc([N+](=O)[O-])c2)c1.[Br-]
O=[N+]([O-])c1cccc(-c2cc3sc4ccccc4[n+]3cc2-c2cccc([N+](=O)[O-])c2)c1.[Br-]
2,3-bis(3-nitrophenyl)pyrido[2,1-b][1,3]benzothiazol-10-ium;bromide