Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 8.639\% 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) O=C(c1cccs1)N1C2CCC1CC(O)(c1cccnc1)C2
(b) O=C1CC(NS(=O)(=O)c2cc(F)ccc2F)CN1c1ccc2c(c1)OCCO2
Answer: b. O=C1CC(NS(=O)(=O)c2cc(F)ccc2F)CN1c1ccc2c(c1)OCCO2
{#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=C1CC(NS(=O)(=O)c2cc(F)ccc2F)CN1c1ccc2c(c1)OCCO2
O=C1CC(NS(=O)(=O)c2cc(F)ccc2F)CN1c1ccc2c(c1)OCCO2
N-[1-(2,3-dihydro-1,4-benzodioxin-6-yl)-5-oxopyrrolidin-3-yl]-2,5-difluorobenzenesulfonamide