Task: Answer the multiple choice question.
Question: Which compound exhibits a 5.740\% 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) CCCC(=O)Nc1cccc(-c2cn3cccnc3n2)c1
(b) O=Cc1c(Cl)cccc1Cl
Answer: a. CCCC(=O)Nc1cccc(-c2cn3cccnc3n2)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#}
CCCC(=O)Nc1cccc(-c2cn3cccnc3n2)c1
CCCC(=O)Nc1cccc(-c2cn3cccnc3n2)c1
[C][C][C][C][=Branch1][C][=O][N][C][=C][C][=C][C][Branch1][=C][C][=C][N][C][=C][C][=N][C][Ring1][=Branch1][=N][Ring1][=Branch2][=C][Ring1][#C]
N-(3-imidazo[1,2-a]pyrimidin-2-ylphenyl)butanamide