Task: Answer the MCQ question.
Query: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES CCOC(=O)c1cnc2cc3c(cn2c1=O)CCCC3?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
a: 0.736
b: 14.251
c: 3.945
Answer: c. 3.945\%.
{#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)c1cnc2cc3c(cn2c1=O)CCCC3
CCOC(=O)c1cnc2cc3c(cn2c1=O)CCCC3
ethyl 4-oxo-7,8,9,10-tetrahydropyrimido[1,2-b]isoquinoline-3-carboxylate