Task: Answer the multiple choice question.
Query: Which drug exhibits a 8.389\% 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 other words.
Options:
a) COC(=O)C1CSC(C)(C)C(=O)N1
b) Cc1cc(/C=N/n2cnnc2)c(C)n1-c1ccc(Cl)cc1
Answer: a. COC(=O)C1CSC(C)(C)C(=O)N1
{#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#}
COC(=O)C1CSC(C)(C)C(=O)N1
COC(=O)C1CSC(C)(C)C(=O)N1
methyl 6,6-dimethyl-5-oxothiomorpholine-3-carboxylate