Task: Answer the MCQ question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 10uM of a compound with the SMILES O=C1C2C3C=CC(C3)C2C(=O)N1c1ccc(N2CCN(c3ccccn3)CC2)c([N+](=O)[O-])c1?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
a. 35.865
b. -18.646
c. 6.795
d. -26.365
Answer: b. -18.646%.
{#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=C1C2C3C=CC(C3)C2C(=O)N1c1ccc(N2CCN(c3ccccn3)CC2)c([N+](=O)[O-])c1
O=C1C2C3C=CC(C3)C2C(=O)N1c1ccc(N2CCN(c3ccccn3)CC2)c([N+](=O)[O-])c1
4-[3-nitro-4-(4-pyridin-2-ylpiperazin-1-yl)phenyl]-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione