Task: Answer the multiple choice question.
Question: Which compound exhibits a 4.846\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(CSc1ccc2nnc(-c3ccccn3)n2n1)Nc1ccccc1F
(b) Fc1ccccc1CN1CCCC(NC2CCC2)C1
Answer: a. O=C(CSc1ccc2nnc(-c3ccccn3)n2n1)Nc1ccccc1F
{#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=C(CSc1ccc2nnc(-c3ccccn3)n2n1)Nc1ccccc1F
O=C(CSc1ccc2nnc(-c3ccccn3)n2n1)Nc1ccccc1F
N-(2-fluorophenyl)-2-[(3-pyridin-2-yl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)sulfanyl]acetamide