Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 20.819\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a Cc1ccc(Cl)cc1-c1ccc(C=Nc2ccc(N3CCOCC3)cc2)o1
b CCNS(=O)(=O)c1ccc2c(c1)NCC2
Answer: b. CCNS(=O)(=O)c1ccc2c(c1)NCC2
{#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#}
CCNS(=O)(=O)c1ccc2c(c1)NCC2
CCNS(=O)(=O)c1ccc2c(c1)NCC2
N-ethyl-2,3-dihydro-1H-indole-6-sulfonamide