Task: Answer the multiple-choice question.
Question: Which drug exhibits a -3.962% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C(c1ccccc1)c1ccc2c(c1)OCCOCCOCCO2
(b) CCOC(=O)c1cnn(Cc2cccc(Cl)c2)c1C
Answer: a. O=C(c1ccccc1)c1ccc2c(c1)OCCOCCOCCO2
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(c1ccccc1)c1ccc2c(c1)OCCOCCOCCO2
O=C(c1ccccc1)c1ccc2c(c1)OCCOCCOCCO2
phenyl(2,5,8,11-tetraoxabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl)methanone