Problem statement: Answer the multiple-choice question.
Question: Which compound has a 3.933\% 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 other words.
Options:
[a] Nc1ccnn1Cc1ccncc1
[b] CCCn1c(=N)n(CC(O)COc2ccc(C)cc2)c2ccccc21.Cl
[c] CC(C)(C)OC(=O)N1CCN(C(=O)Nc2ccc3c(c2)OCCO3)CC1
Answer: a. Nc1ccnn1Cc1ccncc1
{#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#}
Nc1ccnn1Cc1ccncc1
Nc1ccnn1Cc1ccncc1
2-(pyridin-4-ylmethyl)pyrazol-3-amine