Task: Answer the multiple choice question.
Query: Which drug exhibits a -33.798% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
[a] CCCCCCCCn1sccc1=O
[b] Cn1cccc1Cc1nnc(SCC(=O)N2CCCc3ccccc32)n1-c1ccc(F)cc1
[c] CCN(C(=O)COC(=O)CSc1cc(C)c2ccccc2n1)c1ccccc1
[d] O=c1c2ccccc2nc2c3ccccc3cnn12
[e] COc1ccccc1N1CC(C(=O)OCC(=O)Nc2c(C)cccc2C)CC1=O
Answer: a. CCCCCCCCn1sccc1=O
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCCCCCCn1sccc1=O
CCCCCCCCn1sccc1=O
2-octyl-1,2-thiazol-3-one