Task: Answer the MCQ question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES CCOC(=O)C1=C(O)C(=O)N(c2ccccc2)C1c1cccc([N+](=O)[O-])c1?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
(a) -2.684
(b) -3.065
Answer: a. -2.684\%.
{#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}.
CCOC(=O)C1=C(O)C(=O)N(c2ccccc2)C1c1cccc([N+](=O)[O-])c1
CCOC(=O)C1=C(O)C(=O)N(c2ccccc2)C1c1cccc([N+](=O)[O-])c1
ethyl 4-hydroxy-2-(3-nitrophenyl)-5-oxo-1-phenyl-2H-pyrrole-3-carboxylate