Task: Answer the multiple choice question.
Question: Which drug has a 19.921% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CCCNc1nc(C)cc(-c2cc(-c3ccccc3)on2)n1
b) CCCCC(=O)NS(=O)(=O)c1ccc(N=NN2CCCCC2)cc1
Answer: a. CCCNc1nc(C)cc(-c2cc(-c3ccccc3)on2)n1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCNc1nc(C)cc(-c2cc(-c3ccccc3)on2)n1
CCCNc1nc(C)cc(-c2cc(-c3ccccc3)on2)n1
4-methyl-6-(5-phenyl-1,2-oxazol-3-yl)-N-propylpyrimidin-2-amine