Task: Answer the MCQ 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 CCOC(=O)c1c(=O)n(O)c2ccc(OC)cc2[n+]1[O-]?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) -2.030
(b) -16.542
(c) 9.924
(d) 39.575
Answer: a. -2.030\%.
{#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)c1c(=O)n(O)c2ccc(OC)cc2[n+]1[O-]
CCOC(=O)c1c(=O)n(O)c2ccc(OC)cc2[n+]1[O-]
ethyl 4-hydroxy-7-methoxy-1-oxido-3-oxoquinoxalin-1-ium-2-carboxylate