Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 6.848\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCCCn1c(N)c(N(CC(C)C)C(=O)CSCc2c(C)noc2C)c(=O)[nH]c1=O
(b) Cc1cc(C)cc(N(CCC#N)C(=O)CSc2nc3nc(C)cc(C)n3n2)c1
Answer: b. Cc1cc(C)cc(N(CCC#N)C(=O)CSc2nc3nc(C)cc(C)n3n2)c1
{#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#}
N-(2-cyanoethyl)-N-(3,5-dimethylphenyl)-2-[(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)sulfanyl]acetamide