Task: Answer the multiple choice question.
Question: What is the hERG inhibition at 1uM of a compound with the SMILES O=C(c1ccccc1)N1CN2CN(C(=O)c3ccccc3)CC([N+](=O)[O-])(C2)C1?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
a. 11.869
b. 0.488
c. 18.805
Answer: c. 18.805\%.
{#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(c1ccccc1)N1CN2CN(C(=O)c3ccccc3)CC([N+](=O)[O-])(C2)C1
O=C(c1ccccc1)N1CN2CN(C(=O)c3ccccc3)CC([N+](=O)[O-])(C2)C1
(7-benzoyl-5-nitro-1,3,7-triazabicyclo[3.3.1]nonan-3-yl)-phenylmethanone