Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 4.008\% 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: COc1ccccc1CNC(=O)COC(=O)C1=COCCO1
b: CCOC(=O)CCC(=O)N1CCOCCOCCOCC1
Answer: b. CCOC(=O)CCC(=O)N1CCOCCOCCOCC1
{#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)CCC(=O)N1CCOCCOCCOCC1
CCOC(=O)CCC(=O)N1CCOCCOCCOCC1
ethyl 4-oxo-4-(1,4,7-trioxa-10-azacyclododec-10-yl)butanoate