Task: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES O=C1Nc2ccc([N+](=O)[O-])cc2OC1CCN1CCOCC1?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
a. 11.758
b. 6.637
c. 7.033
Answer: b. 6.637\%.
{#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=C1Nc2ccc([N+](=O)[O-])cc2OC1CCN1CCOCC1
O=C1Nc2ccc([N+](=O)[O-])cc2OC1CCN1CCOCC1
2-(2-morpholin-4-ylethyl)-7-nitro-4H-1,4-benzoxazin-3-one