Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 17.342\% 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: CCc1ccc(C2CC(=O)N3CN(c4ccccc4)CSC3=C2C#N)cc1
b: Cc1cccc2cc(C(c3nnnn3C3CCCC3)N3CCOCC3)c(=O)[nH]c12
Answer: a. CCc1ccc(C2CC(=O)N3CN(c4ccccc4)CSC3=C2C#N)cc1
{#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#}
8-(4-ethylphenyl)-6-oxo-3-phenyl-2,4,7,8-tetrahydropyrido[2,1-b][1,3,5]thiadiazine-9-carbonitrile