Task: Answer the multiple-choice question.
Question: Which compound exhibits a 15.825% human ether-à-go-go related gene (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) CCCc1nc2c([nH]1)c(=O)n(C)c(=O)n2C
(b) COc1ccc(N2CCN(C(=O)CSc3ccccc3N)CC2)cc1
Answer: a. CCCc1nc2c([nH]1)c(=O)n(C)c(=O)n2C
{#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#}
CCCc1nc2c([nH]1)c(=O)n(C)c(=O)n2C
CCCc1nc2c([nH]1)c(=O)n(C)c(=O)n2C
1,3-dimethyl-8-propyl-7H-purine-2,6-dione