Task: Answer the multiple-choice question.
Query: Which compound has a 15.647\% 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. CCn1c(CSc2nc3ccccc3s2)nnc1SCC(N)=O
b. COC(=O)c1ccccc1NC(=O)c1cc(C)no1
Answer: b. COC(=O)c1ccccc1NC(=O)c1cc(C)no1
{#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)c1ccccc1NC(=O)c1cc(C)no1
COC(=O)c1ccccc1NC(=O)c1cc(C)no1
methyl 2-[(3-methyl-1,2-oxazole-5-carbonyl)amino]benzoate