Task: Answer the multiple choice question.
Query: Which drug has a -6.214\% 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] CC(C)=Cc1oc2ccc([N+](=O)[O-])cc2c1N1CC(C)OC(C)C1
[b] O=C(O)CCC(=O)c1ccc(-c2ccccc2)cc1
[c] Clc1ccc(-c2cc(CN3CCCCC3)no2)cc1Cl
Answer: b. O=C(O)CCC(=O)c1ccc(-c2ccccc2)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#}
O=C(O)CCC(=O)c1ccc(-c2ccccc2)cc1
O=C(O)CCC(=O)c1ccc(-c2ccccc2)cc1
4-hydroxy-1-(4-phenylphenyl)butane-1,4-dione