Problem statement: Answer the multiple choice question.
Question: Which compound has a 6.039\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a.) CCc1nn(-c2ccccc2)c(=S)c2ccccc12
b.) CCOC(=O)N1CCN(C(=O)CSc2nnc(Cc3cccn3C)n2CCc2ccccc2)CC1
c.) CCn1c(SCC(=O)N2CCN(S(=O)(=O)c3ccccc3)CC2)nnc1-c1cccs1
Answer: a. CCc1nn(-c2ccccc2)c(=S)c2ccccc12
{#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#}
4-ethyl-2-phenylphthalazine-1-thione