Task: Answer the multiple-choice question.
Query: Which compound exhibits a -6.214\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=C1c2ccccc2C(=O)c2c1cccc2N1CCN(Cc2ccccc2)CC1
b. Cc1cccn2c(=O)c3cc(C(=O)N4COCC4(C)C)n(C)c3nc12
Answer: a. O=C1c2ccccc2C(=O)c2c1cccc2N1CCN(Cc2ccccc2)CC1
{#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)c2c1cccc2N1CCN(Cc2ccccc2)CC1
O=C1c2ccccc2C(=O)c2c1cccc2N1CCN(Cc2ccccc2)CC1
5-(4-benzyl-1,4-diazinan-1-yl)anthracene-9,10-dione