Task: Answer the multiple choice question.
Query: Which compound has a 5.377\% 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. COc1cc2c(cc1OC)-c1nncn1C(C)(C)C2
b. Cc1cccc2sc(NC(=O)C3c4ccccc4Oc4ccccc43)nc12
Answer: a. COc1cc2c(cc1OC)-c1nncn1C(C)(C)C2
{#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#}
COc1cc2c(cc1OC)-c1nncn1C(C)(C)C2
COc1cc2c(cc1OC)-c1nncn1C(C)(C)C2
8,9-dimethoxy-5,5-dimethyl-6H-[1,2,4]triazolo[3,4-a]isoquinoline