Task: Answer the MCQ question.
Query: Which drug exhibits a 18.152% 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) Cc1cccc(NC(=O)C2CCCN2C(=O)Oc2ccccc2)c1
(b) O=c1c([N+](=O)[O-])c(O)c2ccccc2n1Cc1ccccc1
Answer: b. O=c1c([N+](=O)[O-])c(O)c2ccccc2n1Cc1ccccc1
{#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#}
O=c1c([N+](=O)[O-])c(O)c2ccccc2n1Cc1ccccc1
O=c1c([N+](=O)[O-])c(O)c2ccccc2n1Cc1ccccc1
1-benzyl-4-hydroxy-3-nitroquinolin-2-one