Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 5.066\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COc1cccc2cc(-c3nnc(-c4ccccc4)o3)c(=O)oc12
[b] O=C(NCCN1CCOCC1)c1cn(CCc2ccccc2)nn1
Answer: a. COc1cccc2cc(-c3nnc(-c4ccccc4)o3)c(=O)oc12
{#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#}
COc1cccc2cc(-c3nnc(-c4ccccc4)o3)c(=O)oc12
COc1cccc2cc(-c3nnc(-c4ccccc4)o3)c(=O)oc12
8-methoxy-3-(5-phenyl-1,3,4-oxadiazol-2-yl)chromen-2-one