Task: Answer the multiple choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES O=C(Nc1cc([N+](=O)[O-])ccc1C(=O)Nc1cccnc1)c1ccccc1?
Constraint: You must return none, one or more options from a, b, c, or d without using any other words.
Options:
a.) 2.436
b.) 13.729
c.) 5.475
d.) -4.300
Answer: a. 2.436\%.
{#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(Nc1cc([N+](=O)[O-])ccc1C(=O)Nc1cccnc1)c1ccccc1
O=C(Nc1cc([N+](=O)[O-])ccc1C(=O)Nc1cccnc1)c1ccccc1
2-benzamido-4-nitro-N-pyridin-3-ylbenzamide