Task: Answer the multiple choice question.
Question: Which compound has a 0.254\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COc1ccc(OCC(=O)N(Cc2ccc(C)o2)C2CCS(=O)(=O)C2)cc1
b. CC(=O)c1cnc2sccn2c1=O
Answer: b. CC(=O)c1cnc2sccn2c1=O
{#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#}
CC(=O)c1cnc2sccn2c1=O
CC(=O)c1cnc2sccn2c1=O
6-acetyl-[1,3]thiazolo[3,2-a]pyrimidin-5-one