Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a -3.228\% 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. Cn1c(Oc2ccccc2NCc2cc(Br)ccc2O)cc(=O)n(C)c1=O
b. CC(C)CNC(=S)NNC(=O)CC(C)O
Answer: b. CC(C)CNC(=S)NNC(=O)CC(C)O
{#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#}
CC(C)CNC(=S)NNC(=O)CC(C)O
CC(C)CNC(=S)NNC(=O)CC(C)O
1-(3-hydroxybutanoylamino)-3-(2-methylpropyl)thiourea