Problem statement: Answer the MCQ question.
Question: Which compound exhibits a -22.375\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C(O)c1cc(-c2ccccc2)n(-c2ccc(Cl)cc2Cl)n1
(b) O=C(c1ccccc1)c1ccc2c(c1)OCCOCCOCCOCCO2
Answer: b. O=C(c1ccccc1)c1ccc2c(c1)OCCOCCOCCOCCO2
{#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(c1ccccc1)c1ccc2c(c1)OCCOCCOCCOCCO2
O=C(c1ccccc1)c1ccc2c(c1)OCCOCCOCCOCCO2
2,5,8,11,14-pentaoxabicyclo[13.4.0]nonadeca-1(15),16,18-trien-17-yl(phenyl)methanone