Task: Answer the MCQ question.
Question: Which compound exhibits a 22.883% 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) CSc1nc(Cc2ccccc2)nc2ccccc12
b) Cc1cc(C)c(C(=O)CSc2nc(C)cc(=O)[nH]2)c(C)c1
Answer: a. CSc1nc(Cc2ccccc2)nc2ccccc12
{#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#}
CSc1nc(Cc2ccccc2)nc2ccccc12
CSc1nc(Cc2ccccc2)nc2ccccc12
2-benzyl-4-methylsulfanylquinazoline