Problem statement: Answer the multiple-choice question.
Query: Which drug has a 17.212\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. COC(=O)C(C(=O)N1CCN(C)CC1)C1CCCCCC1
b. COc1cccc2cc(-c3cn4cccc(C)c4n3)c(=O)oc12
Answer: b. COc1cccc2cc(-c3cn4cccc(C)c4n3)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(-c3cn4cccc(C)c4n3)c(=O)oc12
COc1cccc2cc(-c3cn4cccc(C)c4n3)c(=O)oc12
8-methoxy-3-(8-methylimidazo[1,2-a]pyridin-2-yl)chromen-2-one