Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 6.169% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CSc1nc2ccccc2c(=O)n1N
(b) COc1ccc(N=C2SC(C(=O)N3CCN(c4ccccc4)CC3)CC(=O)N2C)cc1
Answer: a. CSc1nc2ccccc2c(=O)n1N
{#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#}
CSc1nc2ccccc2c(=O)n1N
CSc1nc2ccccc2c(=O)n1N
3-amino-2-methylsulfanylquinazolin-4-one