Task: Answer the multiple-choice question.
Question: Which compound has a -21.021% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. COc1cc2[nH]c(=S)n(Cc3cccs3)c(=O)c2cc1OC
b. COc1ccc(OC)c(C2=Nn3c(nnc3-c3cc(OC)c(OC)c(OC)c3)SC2)c1
c. O=C(CSc1nc2ccccc2o1)Nc1ccc(Cl)cc1
Answer: b. COc1ccc(OC)c(C2=Nn3c(nnc3-c3cc(OC)c(OC)c(OC)c3)SC2)c1
{#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#}
COc1ccc(OC)c(C2=Nn3c(nnc3-c3cc(OC)c(OC)c(OC)c3)SC2)c1
COc1ccc(OC)c(C2=Nn3c(nnc3-c3cc(OC)c(OC)c(OC)c3)SC2)c1
6-(2,5-dimethoxyphenyl)-3-(3,4,5-trimethoxyphenyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazine