Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 5.945\% 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 additional words.
Options:
a) CCN1CCN(C(=O)c2ccc3c(c2)N(Cc2ccc(F)cc2)C(=O)c2ccccc2S3=O)CC1
b) CCCC(=O)NC(C)c1nc2ccccc2n1CC
Answer: b. CCCC(=O)NC(C)c1nc2ccccc2n1CC
{#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)NC(C)c1nc2ccccc2n1CC
CCCC(=O)NC(C)c1nc2ccccc2n1CC
N-[1-(1-ethylbenzimidazol-2-yl)ethyl]butanamide