Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 3.057\% 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 other words.
Options:
a: CCCCC#C/C=C1/Cn2c(nc3ccccc32)S1
b: Cc1cccc(C(=O)NC(NCc2ccco2)C(Cl)(Cl)Cl)c1
Answer: a. CCCCC#C/C=C1/Cn2c(nc3ccccc32)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#}
CCCCC#C/C=C1/Cn2c(nc3ccccc32)S1
CCCCC#C/C=C1/Cn2c(nc3ccccc32)S1
(2Z)-2-hept-2-ynylidene-1H-[1,3]thiazolo[3,2-a]benzimidazole