Task: Answer the MCQ question.
Query: Which drug has a 5.187\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a COc1ccc2c(C)c(C)c(=O)oc2c1OC
b Cc1ccc(CN2CCN(Cc3c(C)nn(-c4ccc(F)cc4)c3C)CC2CCO)o1
c CCOc1ccc(-c2nc(-c3cccnc3)no2)cc1
Answer: c. CCOc1ccc(-c2nc(-c3cccnc3)no2)cc1
{#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#}
CCOc1ccc(-c2nc(-c3cccnc3)no2)cc1
CCOc1ccc(-c2nc(-c3cccnc3)no2)cc1
5-(4-ethoxyphenyl)-3-pyridin-3-yl-1,2,4-oxadiazole