Problem statement: Answer the multiple choice 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 COc1ccccc1N1CCN(/N=C/C=C\c2ccccc2[N+](=O)[O-])CC1?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
[a] 4.768
[b] 1.244
[c] 2.403
Answer: a. 4.768\%.
{#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}.
COc1ccccc1N1CCN(/N=C/C=C\c2ccccc2[N+](=O)[O-])CC1
COc1ccccc1N1CCN(/N=C/C=C\c2ccccc2[N+](=O)[O-])CC1
(E,Z)-N-[4-(2-methoxyphenyl)piperazin-1-yl]-3-(2-nitrophenyl)prop-2-en-1-imine