Task: Answer the multiple choice question.
Query: Which compound has a 5.248\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. COc1cc(C2NC(=O)NC(C)=C2C(=O)OC2CCCC(C)C2)cc(Br)c1O
b. CCc1noc(C)c1C(=O)N1CCCSC1=Nc1ccccc1OC
Answer: b. CCc1noc(C)c1C(=O)N1CCCSC1=Nc1ccccc1OC
{#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)N1CCCSC1=Nc1ccccc1OC
CCc1noc(C)c1C(=O)N1CCCSC1=Nc1ccccc1OC
(3-ethyl-5-methyl-1,2-oxazol-4-yl)-[2-(2-methoxyphenyl)imino-1,3-thiazinan-3-yl]methanone