Task: Answer the multiple choice question.
Query: Which compound has a 22.995\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. OCCC1CN(Cc2ccc3nonc3c2)CCN1Cc1ccsc1
b. CCc1c(C)nc2c(C#N)c[nH]n2c1=O
c. CSCCCNC(=S)N(C)CC(=O)Nc1ccc(C)cc1
Answer: b. CCc1c(C)nc2c(C#N)c[nH]n2c1=O
{#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#}
CCc1c(C)nc2c(C#N)c[nH]n2c1=O
CCc1c(C)nc2c(C#N)c[nH]n2c1=O
6-ethyl-5-methyl-7-oxo-1H-pyrazolo[1,5-a]pyrimidine-3-carbonitrile