Task: Answer the multiple choice question.
Query: What is the hERG inhibition at 1uM of a compound with the SMILES O=C(Cn1cnc([N+](=O)[O-])c1)c1ccc(Cl)cc1?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] 5.050
[b] 0.907
[c] 18.146
[d] 12.845
[e] -24.677
Answer: a. 5.050\%.
{#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=C(Cn1cnc([N+](=O)[O-])c1)c1ccc(Cl)cc1
O=C(Cn1cnc([N+](=O)[O-])c1)c1ccc(Cl)cc1
1-(4-chlorophenyl)-2-(4-nitroimidazol-1-yl)ethanone