Task: Answer the multiple-choice question.
Question: Which compound exhibits a 5.367\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) Cc1ccc(Oc2nc3c(c(=O)n(C)c(=O)n3C)n2C)cc1C
b) COc1ccc(-c2nnc(SCC(=O)N3CCCC3)o2)cc1OC
Answer: b. COc1ccc(-c2nnc(SCC(=O)N3CCCC3)o2)cc1OC
{#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#}
COc1ccc(-c2nnc(SCC(=O)N3CCCC3)o2)cc1OC
COc1ccc(-c2nnc(SCC(=O)N3CCCC3)o2)cc1OC
2-[[5-(3,4-dimethoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl]-1-pyrrolidin-1-ylethanone