Task: Answer the multiple choice question.
Query: Which compound exhibits a 12.868\% 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] C=CCn1c(C)cc(-c2csc(NC(=O)C3=COCCO3)n2)c1C
[b] CCOC(=O)C(C(=O)N1CCOCC1)C1CCCCC1
Answer: b. CCOC(=O)C(C(=O)N1CCOCC1)C1CCCCC1
{#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#}
CCOC(=O)C(C(=O)N1CCOCC1)C1CCCCC1
CCOC(=O)C(C(=O)N1CCOCC1)C1CCCCC1
ethyl 2-cyclohexyl-3-morpholin-4-yl-3-oxopropanoate