Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 1.583\% 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(C(=O)O)c(OC)n1
b. O=C(CC1SC(=Nc2ccccc2F)N(CCN2CCOCC2)C1=O)Nc1ccc(F)cc1F
Answer: b. O=C(CC1SC(=Nc2ccccc2F)N(CCN2CCOCC2)C1=O)Nc1ccc(F)cc1F
{#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=C(CC1SC(=Nc2ccccc2F)N(CCN2CCOCC2)C1=O)Nc1ccc(F)cc1F
O=C(CC1SC(=Nc2ccccc2F)N(CCN2CCOCC2)C1=O)Nc1ccc(F)cc1F
N-(2,4-difluorophenyl)-2-[2-(2-fluorophenyl)imino-3-(2-morpholin-4-ylethyl)-4-oxo-1,3-thiazolidin-5-yl]acetamide