Task: Answer the multiple choice question.
Query: Which drug exhibits a 20.023\% 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: Cc1ccc2c(c1)C(=O)C(=O)N2CC(=O)Nc1ccc(N2CCOCC2)cc1
b: CCCc1nnc(NC(=O)c2cc3ccccc3o2)s1
Answer: b. CCCc1nnc(NC(=O)c2cc3ccccc3o2)s1
{#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#}
CCCc1nnc(NC(=O)c2cc3ccccc3o2)s1
CCCc1nnc(NC(=O)c2cc3ccccc3o2)s1
N-(5-propyl-1,3,4-thiadiazol-2-yl)-1-benzofuran-2-carboxamide