Task: Answer the multiple-choice question.
Question: Which compound exhibits a 5.641\% 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] S=C(NCc1ccncc1)Nc1cccc(Cl)c1
[b] O=C1N=C2SCCN2/C1=C\c1ccccc1Cl
Answer: b. O=C1N=C2SCCN2/C1=C\c1ccccc1Cl
{#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#}
O=C1N=C2SCCN2/C1=C\c1ccccc1Cl
O=C1N=C2SCCN2/C1=C\c1ccccc1Cl
(5Z)-5-[(2-chlorophenyl)methylidene]-2,3-dihydroimidazo[2,1-b][1,3]thiazol-6-one