Task: Answer the MCQ question.
Query: Which drug exhibits a -25.357% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COc1ccccc1-c1nnc(-c2ccc(F)cc2)o1
[b] COc1ccc(C2CC(c3ccc4ccccc4c3)=NN2C(=O)CSc2ncccn2)cc1
Answer: a. COc1ccccc1-c1nnc(-c2ccc(F)cc2)o1
{#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#}
COc1ccccc1-c1nnc(-c2ccc(F)cc2)o1
COc1ccccc1-c1nnc(-c2ccc(F)cc2)o1
2-(4-fluorophenyl)-5-(2-methoxyphenyl)-1,3,4-oxadiazole