Task: Answer the multiple-choice question.
Question: Which compound exhibits a 18.132\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) Cc1cc(C(=O)N/N=C/c2c(C)[nH]n(-c3ccccc3)c2=O)n[nH]1
b.) O=C1c2ccccc2C(=O)C1c1nccc2ccccc12
Answer: b. O=C1c2ccccc2C(=O)C1c1nccc2ccccc12
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__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_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C1c2ccccc2C(=O)C1c1nccc2ccccc12
O=C1c2ccccc2C(=O)C1c1nccc2ccccc12
2-isoquinolin-1-ylindene-1,3-dione