Task: Answer the multiple-choice question.
Query: Which compound exhibits a -1.520\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) COc1cccc(C(=O)n2cnnc2N)c1OC
(b) CCc1noc(C)c1C(=O)N1CC(C)SC1=Nc1ccc(Cl)cc1
Answer: b. CCc1noc(C)c1C(=O)N1CC(C)SC1=Nc1ccc(Cl)cc1
{#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#}
CCc1noc(C)c1C(=O)N1CC(C)SC1=Nc1ccc(Cl)cc1
CCc1noc(C)c1C(=O)N1CC(C)SC1=Nc1ccc(Cl)cc1
[2-(4-chlorophenyl)imino-5-methyl-1,3-thiazolidin-3-yl]-(3-ethyl-5-methyl-1,2-oxazol-4-yl)methanone