Task: Answer the multiple-choice question.
Query: Which compound exhibits a 12.262\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: O=C1SC(Cc2ccccc2)C(=O)N1c1ccccc1
b: COc1ccc(Cc2nc(-c3ccc(NC(=O)c4cccnc4)cc3)no2)cc1
Answer: a. O=C1SC(Cc2ccccc2)C(=O)N1c1ccccc1
{#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=C1SC(Cc2ccccc2)C(=O)N1c1ccccc1
O=C1SC(Cc2ccccc2)C(=O)N1c1ccccc1
5-benzyl-3-phenyl-1,3-thiazolidine-2,4-dione