Task: Answer the multiple-choice question.
Question: Which drug exhibits a 0.420\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: Oc1c(C(c2ccco2)N2CCC3(CC2)OCCO3)sc2ncnn12
b: CCOC(=O)c1c(NC(=O)c2ccncc2)sc(C)c1C
Answer: a. Oc1c(C(c2ccco2)N2CCC3(CC2)OCCO3)sc2ncnn12
{#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#}
Oc1c(C(c2ccco2)N2CCC3(CC2)OCCO3)sc2ncnn12
Oc1c(C(c2ccco2)N2CCC3(CC2)OCCO3)sc2ncnn12
5-[1,4-dioxa-8-azaspiro[4.5]decan-8-yl(furan-2-yl)methyl]-[1,3]thiazolo[3,2-b][1,2,4]triazol-6-ol