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 drug with the SMILES O=C(CN1CCOCC1)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
a: -23.524
b: -6.657
c: 3.153
d: -7.709
Answer: a. -23.524\%.
{#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(CN1CCOCC1)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1
O=C(CN1CCOCC1)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1
2-morpholin-4-yl-1-[4-(4-nitrophenyl)piperazin-1-yl]ethanone