Task: Answer the MCQ question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a drug with the SMILES O=C(COc1ccc(Br)cc1)N1CCN(c2ccc([N+](=O)[O-])c(N3CCCCC3)c2)CC1?
Constraint: You must return none, one or more options from a or b without using any additional words.
Options:
a) 3.944
b) 10.226
Answer: a. 3.944\%.
{#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(COc1ccc(Br)cc1)N1CCN(c2ccc([N+](=O)[O-])c(N3CCCCC3)c2)CC1
O=C(COc1ccc(Br)cc1)N1CCN(c2ccc([N+](=O)[O-])c(N3CCCCC3)c2)CC1
2-(4-bromophenoxy)-1-[4-(4-nitro-3-piperidin-1-ylphenyl)piperazin-1-yl]ethanone