Task: Answer the multiple-choice question.
Question: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES CCn1nc([N+](=O)[O-])c(C(C#N)c2nc3ccccc3s2)c(Cl)c1=O?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
a.) 1.611
b.) -5.228
c.) 9.694
Answer: a. 1.611\%.
{#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}.
CCn1nc([N+](=O)[O-])c(C(C#N)c2nc3ccccc3s2)c(Cl)c1=O
CCn1nc([N+](=O)[O-])c(C(C#N)c2nc3ccccc3s2)c(Cl)c1=O
2-(1,3-benzothiazol-2-yl)-2-(5-chloro-1-ethyl-3-nitro-6-oxopyridazin-4-yl)acetonitrile