Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 22.620\% 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) O=C(O)c1cc(=O)n(Cc2ccccc2)c(=O)[nH]1
(b) Cc1cc(-c2nc(-c3ccc(C(C)(C)C)cc3)no2)no1
(c) CN(C(=O)CSc1ncnc2sc(-c3ccccc3)cc12)C1CCS(=O)(=O)C1
(d) COc1ccc2nc(N3CCCCC3)c(C#N)cc2c1
Answer: d. COc1ccc2nc(N3CCCCC3)c(C#N)cc2c1
{#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#}
COc1ccc2nc(N3CCCCC3)c(C#N)cc2c1
COc1ccc2nc(N3CCCCC3)c(C#N)cc2c1
6-methoxy-2-piperidin-1-ylquinoline-3-carbonitrile