Task: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a compound with the SMILES O=C(O)COn1c(-c2ccccc2)nc2ccc([N+](=O)[O-])cc21?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
(a) 14.169
(b) 23.248
(c) 15.689
Answer: c. 15.689\%.
{#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(O)COn1c(-c2ccccc2)nc2ccc([N+](=O)[O-])cc21
O=C(O)COn1c(-c2ccccc2)nc2ccc([N+](=O)[O-])cc21
2-(6-nitro-2-phenylbenzimidazol-1-yl)oxyacetic acid