Task: Answer the multiple-choice question.
Question: Which compound exhibits a 3.751\% 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] S=c1[nH]nc(-c2ccco2)n1/N=C/c1cccc(Cl)c1
[b] CC(CC(=O)Nc1nncs1)c1ccccc1
Answer: b. CC(CC(=O)Nc1nncs1)c1ccccc1
{#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#}
CC(CC(=O)Nc1nncs1)c1ccccc1
CC(CC(=O)Nc1nncs1)c1ccccc1
3-phenyl-N-(1,3,4-thiadiazol-5-yl)butanamide