Task: Answer the MCQ question.
Question: Which drug exhibits a 5.527% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CC(C)(C)OC(=O)COc1cc(OCC(=O)OC(C)(C)C)c2c(=O)cc(-c3ccccc3)oc2c1
b COCCCNC(=O)c1cn(C)c(=O)c2c1c1ccccc1n2C
Answer: b. COCCCNC(=O)c1cn(C)c(=O)c2c1c1ccccc1n2C
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COCCCNC(=O)c1cn(C)c(=O)c2c1c1ccccc1n2C
COCCCNC(=O)c1cn(C)c(=O)c2c1c1ccccc1n2C
N-(3-methoxypropyl)-2,9-dimethyl-1-oxopyrido[3,4-b]indole-4-carboxamide