Task: Answer the multiple-choice question.
Query: Which compound has a 10.191\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=C(O)c1cccc2c1-c1ccccc1/C2=N\Nc1ccccc1
[b] CCOC(=O)c1c(C)sc(Sc2ccc(Cl)cc2[N+](=O)[O-])c1OC
Answer: b. CCOC(=O)c1c(C)sc(Sc2ccc(Cl)cc2[N+](=O)[O-])c1OC
{#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#}
CCOC(=O)c1c(C)sc(Sc2ccc(Cl)cc2[N+](=O)[O-])c1OC
CCOC(=O)c1c(C)sc(Sc2ccc(Cl)cc2[N+](=O)[O-])c1OC
ethyl 5-(4-chloro-2-nitrophenyl)sulfanyl-4-methoxy-2-methylthiophene-3-carboxylate