Task: Answer the multiple choice question.
Question: Which compound has a 15.042\% 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] Cc1nc2c(ncn2-c2ccccc2)c(=O)n1NC(=O)CN1CCCCC1
[b] CN1CCN(c2ncnc3c2cnn3C)CC1
Answer: b. CN1CCN(c2ncnc3c2cnn3C)CC1
{#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#}
CN1CCN(c2ncnc3c2cnn3C)CC1
CN1CCN(c2ncnc3c2cnn3C)CC1
1-methyl-4-(4-methylpiperazin-1-yl)pyrazolo[3,4-d]pyrimidine