Task: Answer the MCQ question.
Query: Which compound exhibits a 1.790\% 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 or b without using any other words.
Options:
a) CC[C@@H](Nc1ncnc2c1oc1ccccc12)C(=O)O
b) COc1cc(OC)cc(-c2nnc(SCC(=O)N3CCCC3)o2)c1
Answer: b. COc1cc(OC)cc(-c2nnc(SCC(=O)N3CCCC3)o2)c1
{#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#}
COc1cc(OC)cc(-c2nnc(SCC(=O)N3CCCC3)o2)c1
COc1cc(OC)cc(-c2nnc(SCC(=O)N3CCCC3)o2)c1
2-[[5-(3,5-dimethoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl]-1-pyrrolidin-1-ylethanone