Task: Answer the multiple-choice question.
Query: Which drug has a 4.273\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCCCOc1ccc(CN2CCN(CC)CC2)cc1
b. Cc1cc(N)nc(C)c1C#N
Answer: b. Cc1cc(N)nc(C)c1C#N
{#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#}
Cc1cc(N)nc(C)c1C#N
Cc1cc(N)nc(C)c1C#N
6-amino-2,4-dimethylpyridine-3-carbonitrile