Task: Answer the MCQ question.
Query: Which drug has a 16.713\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a N#CCc1c(C#N)c(N)nc(Nc2ccccc2)c1C#N
b COc1ccc(S(=O)(=O)Nc2cccc(-c3ccc4nncn4n3)c2)cc1
c NS(=O)(=O)c1ccc(CCNC(=S)NC2CCCC2)cc1
d Cc1ccc(NC(=O)CN2CCCC2)cc1.Cl
Answer: a. N#CCc1c(C#N)c(N)nc(Nc2ccccc2)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#}
N#CCc1c(C#N)c(N)nc(Nc2ccccc2)c1C#N
N#CCc1c(C#N)c(N)nc(Nc2ccccc2)c1C#N
2-amino-6-anilino-4-(cyanomethyl)pyridine-3,5-dicarbonitrile