Task: Answer the multiple-choice question.
Question: Which compound exhibits a -1.635\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] COc1cccc2c3c(c(=O)[nH]c12)CCC(C)(C)O3
[b] O=C1CCCC(=O)N1c1ccc(F)cc1
[c] CCCCCCN1CC(C(=O)OCC)C(=O)C1=O
Answer: c. CCCCCCN1CC(C(=O)OCC)C(=O)C1=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#}
CCCCCCN1CC(C(=O)OCC)C(=O)C1=O
CCCCCCN1CC(C(=O)OCC)C(=O)C1=O
ethyl 1-hexyl-4,5-dioxopyrrolidine-3-carboxylate