Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 1.327\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] CC(=O)N1CCN(c2nc(N)c(C#N)c(CC#N)c2C#N)CC1
[b] Cc1cccc(Nc2nc(-c3ccccn3)cs2)n1
[c] Cc1ccc(S(=O)(=O)Nc2ccc(O)c3cccnc23)cc1
Answer: a. CC(=O)N1CCN(c2nc(N)c(C#N)c(CC#N)c2C#N)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#}
CC(=O)N1CCN(c2nc(N)c(C#N)c(CC#N)c2C#N)CC1
CC(=O)N1CCN(c2nc(N)c(C#N)c(CC#N)c2C#N)CC1
2-(4-acetylpiperazin-1-yl)-6-amino-4-(cyanomethyl)pyridine-3,5-dicarbonitrile