Task: Answer the multiple choice question.
Query: Which drug exhibits a 13.502\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=C1CSC(=NC2CCCCC2)N1
[b] CC1=C(c2ccc(C)cc2)[N+](=O)C(C)(C)N1[O-]
Answer: a. O=C1CSC(=NC2CCCCC2)N1
{#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=C1CSC(=NC2CCCCC2)N1
O=C1CSC(=NC2CCCCC2)N1
2-cyclohexylimino-1,3-thiazolidin-4-one