Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 15.969\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) COc1ccc(C2NC(=S)N(c3ccccc3)C(C)=C2C(=O)Nc2ccccc2)cc1
b) O=C1c2ccccc2NC(c2ccccc2O)N1O
Answer: b. O=C1c2ccccc2NC(c2ccccc2O)N1O
{#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=C1c2ccccc2NC(c2ccccc2O)N1O
O=C1c2ccccc2NC(c2ccccc2O)N1O
3-hydroxy-2-(2-hydroxyphenyl)-1,2-dihydroquinazolin-4-one