Task: Answer the multiple-choice question.
Question: Which compound has a 16.666\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] O=C(COC(=O)c1ccco1)c1ccccc1
[b] CC(C)C(NC(=O)c1c(F)cccc1F)C(=O)N1CCN(S(=O)(=O)/C=C/c2ccccc2)CC1
[c] Cc1ccc([N+](=O)[O-])cc1NC(=O)CSc1n[nH]c(-c2cccnc2)n1
[d] Nc1nonc1-c1nc2ccccc2n1CCC(=O)O
Answer: a. O=C(COC(=O)c1ccco1)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#}
O=C(COC(=O)c1ccco1)c1ccccc1
O=C(COC(=O)c1ccco1)c1ccccc1
phenacyl furan-2-carboxylate