Task: Answer the multiple-choice question.
Query: Which compound exhibits a 2.954\% 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: COc1ccc(Oc2coc3c(CN(C)C)c(O)ccc3c2=O)cc1
b: O=c1c(N2CCOCC2)nsnc1N1CCOCC1
Answer: b. O=c1c(N2CCOCC2)nsnc1N1CCOCC1
{#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=c1c(N2CCOCC2)nsnc1N1CCOCC1
O=c1c(N2CCOCC2)nsnc1N1CCOCC1
3,5-dimorpholin-4-yl-1,2,6-thiadiazin-4-one