Problem statement: Answer the multiple-choice question.
Query: Which compound has a -6.148% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a CCOC(=O)CCC(=O)N1CCOCCOCCOCC1
b CCOC(=O)c1cccc(NC(=O)c2c(N)n(C)c(=O)[nH]c2=O)c1
c COC(=O)c1c(C)nc(C)c(C(=O)OC)c1-c1ccc(OC)cc1
d CC(=O)c1cc(C#N)c(NCCCN(C)C)nc1C
Answer: a. 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_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
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