Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -5.756% 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) C#CCNC(=O)C1=C[C@H](c2ccc3c(c2)OCO3)C[C@H](OCCCCO)O1
(b) CCOC(=O)NN1C(=O)c2ccccc2NC1C
Answer: b. CCOC(=O)NN1C(=O)c2ccccc2NC1C
{#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#}
CCOC(=O)NN1C(=O)c2ccccc2NC1C
CCOC(=O)NN1C(=O)c2ccccc2NC1C
ethylN-(2-methyl-4-oxo-1,2-dihydroquinazolin-3-yl)carbamate