Problem statement: Answer the multiple choice question.
Question: Which compound has a 1.399\% 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 other words.
Options:
[a] Cc1ccccc1NC(=O)C1Cc2ccccc2C(=O)O1
[b] CC1CCN(C(=O)CSc2nnc(Cc3ccccc3)o2)CC1
[c] CC(C)(C)C(=O)Nc1ccc(C(=O)OC2CCCCC2)cc1
[d] O=C([O-])c1cc(-c2cccnc2)nc2ccc(Br)cc12.[K+]
Answer: b. CC1CCN(C(=O)CSc2nnc(Cc3ccccc3)o2)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#}
2-[(5-benzyl-1,3,4-oxadiazol-2-yl)sulfanyl]-1-(4-methylpiperidin-1-yl)ethanone