Task: Answer the multiple-choice question.
Question: Which compound exhibits a 0.683\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Cc1ccc(-n2c(-c3ccco3)nc3nc4ccccc4nc32)cc1
b. CCCC12CN3CN(C1)CC(CCC)(C3)C2O
Answer: b. CCCC12CN3CN(C1)CC(CCC)(C3)C2O
{#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#}
CCCC12CN3CN(C1)CC(CCC)(C3)C2O
CCCC12CN3CN(C1)CC(CCC)(C3)C2O
5,7-dipropyl-1,3-diazatricyclo[3.3.1.13,7]decan-6-ol