Task: Answer the multiple-choice question.
Question: Which compound exhibits a -0.127\% 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.) COc1ccc(C2NC(=O)NC(C)=C2C(=O)OC2CCCC(C)C2)cc1
b.) Cc1csc(SCCn2c(Br)nc3c2c(=O)[nH]c(=O)n3C)n1
Answer: b. Cc1csc(SCCn2c(Br)nc3c2c(=O)[nH]c(=O)n3C)n1
{#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#}
Cc1csc(SCCn2c(Br)nc3c2c(=O)[nH]c(=O)n3C)n1
Cc1csc(SCCn2c(Br)nc3c2c(=O)[nH]c(=O)n3C)n1
8-bromo-3-methyl-7-[2-[(4-methyl-1,3-thiazol-2-yl)sulfanyl]ethyl]purine-2,6-dione