Task: 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 O=C(NCCN1CCN(c2ccc([N+](=O)[O-])cc2)CC1)NCc1ccccc1?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] 8.839
[b] -20.225
[c] 6.816
[d] 1.997
[e] -0.407
Answer: b. -20.225\%.
{#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(NCCN1CCN(c2ccc([N+](=O)[O-])cc2)CC1)NCc1ccccc1
O=C(NCCN1CCN(c2ccc([N+](=O)[O-])cc2)CC1)NCc1ccccc1
1-benzyl-3-[2-[4-(4-nitrophenyl)piperazin-1-yl]ethyl]urea