Problem statement: 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 CCN1CCN(c2nc(N(C)c3ccccc3)nc(N)c2[N+](=O)[O-])CC1?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: 23.261
b: 15.904
c: 3.181
d: -1.822
e: -4.144
Answer: a. 23.261\%.
{#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}.
CCN1CCN(c2nc(N(C)c3ccccc3)nc(N)c2[N+](=O)[O-])CC1
CCN1CCN(c2nc(N(C)c3ccccc3)nc(N)c2[N+](=O)[O-])CC1
6-(4-ethylpiperazin-1-yl)-2-N-methyl-5-nitro-2-N-phenylpyrimidine-2,4-diamine