Task: Answer the multiple choice question.
Question: Which compound has a 10.489\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) Cn1c(=O)c2c(nc3n2CCS3)n(C)c1=O
b.) COc1ccc(-c2cc(C(=O)NC3=NCCS3)c3ccccc3n2)cc1OC
Answer: a. Cn1c(=O)c2c(nc3n2CCS3)n(C)c1=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#}
Cn1c(=O)c2c(nc3n2CCS3)n(C)c1=O
Cn1c(=O)c2c(nc3n2CCS3)n(C)c1=O
2,4-dimethyl-7,8-dihydropurino[8,7-b][1,3]thiazole-1,3-dione