Task: Answer the MCQ question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a compound with the SMILES CCCCC(CC)C(=O)Nc1cc([N+](=O)[O-])ccc1F?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
[a] 3.958
[b] -0.257
Answer: a. 3.958\%.
{#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}.
CCCCC(CC)C(=O)Nc1cc([N+](=O)[O-])ccc1F
CCCCC(CC)C(=O)Nc1cc([N+](=O)[O-])ccc1F
[C][C][C][C][C][Branch1][Ring1][C][C][C][=Branch1][C][=O][N][C][=C][C][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][=C][C][=C][Ring1][=Branch2][F]
2-ethyl-N-(2-fluoro-5-nitrophenyl)hexanamide