Task: Answer the multiple-choice question.
Question: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES O=C(CCCn1cc([N+](=O)[O-])cn1)Nc1cccnc1?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
a: 8.136
b: 4.266
Answer: b. 4.266\%.
{#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(CCCn1cc([N+](=O)[O-])cn1)Nc1cccnc1
O=C(CCCn1cc([N+](=O)[O-])cn1)Nc1cccnc1
oxido-oxo-[1-[4-oxo-4-(pyridin-3-ylamino)butyl]pyrazol-4-yl]azanium