Task: Answer the MCQ question.
Query: Which compound exhibits a 20.157\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CSc1ncc(Cl)c(C(=O)Nc2cccnc2)n1
b) C=CCn1cccc(C(=O)Nc2ccc(SC)cc2)c1=O
Answer: a. CSc1ncc(Cl)c(C(=O)Nc2cccnc2)n1
{#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#}
CSc1ncc(Cl)c(C(=O)Nc2cccnc2)n1
CSc1ncc(Cl)c(C(=O)Nc2cccnc2)n1
5-chloro-2-methylsulfanyl-N-pyridin-3-ylpyrimidine-4-carboxamide