Problem statement: Answer the MCQ question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES CN1CCN(c2ccccc2NC(=O)c2ccc(N3CCOCC3)c([N+](=O)[O-])c2)CC1?
Constraint: You must return none, one or more options from a, b, c, or d without using any other words.
Options:
a) 8.789
b) 4.721
c) 7.004
d) 20.692
Answer: b. 4.721\%.
{#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}.
CN1CCN(c2ccccc2NC(=O)c2ccc(N3CCOCC3)c([N+](=O)[O-])c2)CC1
CN1CCN(c2ccccc2NC(=O)c2ccc(N3CCOCC3)c([N+](=O)[O-])c2)CC1
N-[2-(4-methylpiperazin-1-yl)phenyl]-4-morpholin-4-yl-3-nitrobenzamide