Task: Answer the MCQ question.
Query: Which drug exhibits a -12.521% 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: Cc1c(OCC(=O)C(C)(C)C)ccc2c(-c3ccccc3)cc(=O)oc12
b: CN(CC(=O)Nc1ccccc1Br)C(=O)c1cc(Cl)nc2ccccc12
Answer: a. Cc1c(OCC(=O)C(C)(C)C)ccc2c(-c3ccccc3)cc(=O)oc12
{#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#}
Cc1c(OCC(=O)C(C)(C)C)ccc2c(-c3ccccc3)cc(=O)oc12
Cc1c(OCC(=O)C(C)(C)C)ccc2c(-c3ccccc3)cc(=O)oc12
7-(3,3-dimethyl-2-oxobutoxy)-8-methyl-4-phenylchromen-2-one