Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 15.456\% 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) Cc1n[nH]c(C)c1CCN(C)Cc1cn(C)nc1-c1ccccc1F
(b) CCn1c(SC)nnc1-c1nn(-c2ccccc2)ccc1=O
Answer: b. CCn1c(SC)nnc1-c1nn(-c2ccccc2)ccc1=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#}
CCn1c(SC)nnc1-c1nn(-c2ccccc2)ccc1=O
CCn1c(SC)nnc1-c1nn(-c2ccccc2)ccc1=O
3-(4-ethyl-5-methylsulfanyl-1,2,4-triazol-3-yl)-1-phenylpyridazin-4-one