Task: Answer the multiple-choice question.
Query: Which drug has a 21.855\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) CCC(C)[C@H]1CNC(=S)N1CCc1cccc2ccccc12
(b) Cc1nonc1CC(=O)NC1CCCc2c1cnn2-c1ccc(F)cc1F
(c) COCCNC(=O)/C(C#N)=C/c1ccc(SC)cc1
(d) Cc1nn(CCC#N)c2nc(C(F)(F)F)[nH]c(=O)c12
Answer: a. CCC(C)[C@H]1CNC(=S)N1CCc1cccc2ccccc12
{#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#}
CCC(C)[C@H]1CNC(=S)N1CCc1cccc2ccccc12
CCC(C)[C@H]1CNC(=S)N1CCc1cccc2ccccc12
(5S)-5-butan-2-yl-1-(2-naphthalen-1-ylethyl)imidazolidine-2-thione