Task: Answer the MCQ question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 10uM of a drug with the SMILES O=c1cc(-c2ccc([N+](=O)[O-])cc2)nc2cc(-c3ccc(Cl)cc3)[nH]n12?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
a) 7.557
b) -34.460
c) -24.786
Answer: a. 7.557%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_10uM__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_10uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_10uM#}{herg_central_at_10uM__units}.
O=c1cc(-c2ccc([N+](=O)[O-])cc2)nc2cc(-c3ccc(Cl)cc3)[nH]n12
O=c1cc(-c2ccc([N+](=O)[O-])cc2)nc2cc(-c3ccc(Cl)cc3)[nH]n12
2-(4-chlorophenyl)-5-(4-nitrophenyl)-1H-pyrazolo[1,5-a]pyrimidin-7-one