Problem statement: Answer the multiple-choice question.
Question: Which drug has a 4.391\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] CCCn1c(SCC(=O)Nc2c(CC)cccc2CC)nnc1C(C)C
[b] CCOC(=O)C(=Cc1ccc(F)cc1)C(=O)OCC
[c] Cc1ccc(C(C)C)cc1NC(=O)Nc1ccc([N+](=O)[O-])cc1
Answer: b. CCOC(=O)C(=Cc1ccc(F)cc1)C(=O)OCC
{#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)C(=Cc1ccc(F)cc1)C(=O)OCC
CCOC(=O)C(=Cc1ccc(F)cc1)C(=O)OCC
diethyl 2-[(4-fluorophenyl)methylidene]propanedioate