Task: Answer the multiple-choice question.
Query: Which compound exhibits a -0.789\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CCOC(=O)C1CCN(Cc2ccc(F)cc2)CC1
[b] COc1ccc(OCC#CCNC(C)(C)C)cc1.O=C(O)C(=O)O
[c] N=C1/C(=C/c2cccn2-c2cccc([N+](=O)[O-])c2)C(=O)N=C2SC=CN12
[d] COc1ccccc1NC(=O)CN1CCC(n2c(C)nc3cc(F)ccc32)CC1
Answer: a. CCOC(=O)C1CCN(Cc2ccc(F)cc2)CC1
{#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)C1CCN(Cc2ccc(F)cc2)CC1
CCOC(=O)C1CCN(Cc2ccc(F)cc2)CC1
ethyl 1-[(4-fluorophenyl)methyl]piperidine-4-carboxylate