Task: Answer the MCQ question.
Question: Which compound has a 19.867\% 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] CCOc1ccc(-c2nnc(SCC(=O)N3CCNC3=O)o2)cc1
[b] O=C(c1ccc2c(c1)C(=O)N(CCCO)C2=O)c1ccc2c(c1)C(=O)N(CCCO)C2=O
Answer: a. CCOc1ccc(-c2nnc(SCC(=O)N3CCNC3=O)o2)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(-c2nnc(SCC(=O)N3CCNC3=O)o2)cc1
CCOc1ccc(-c2nnc(SCC(=O)N3CCNC3=O)o2)cc1
1-[2-[[5-(4-ethoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl]acetyl]imidazolidin-2-one