Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 14.172\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCc1nnc(NC(=O)CSc2nc3c(c(=O)n2CC)SC(C)C3)s1
(b) Cn1c(SCC(=O)NCc2cccs2)nnc1-c1cccs1
Answer: a. CCc1nnc(NC(=O)CSc2nc3c(c(=O)n2CC)SC(C)C3)s1
{#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#}
2-[(3-ethyl-6-methyl-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl)sulfanyl]-N-(5-ethyl-1,3,4-thiadiazol-2-yl)acetamide