Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 3.482\% 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] CCn1c(SCC(=O)N2CCCc3ccccc32)nnc1-c1ccco1
[b] O=c1oc(-c2cccs2)nc2sc3c(c12)CCC3
Answer: a. CCn1c(SCC(=O)N2CCCc3ccccc32)nnc1-c1ccco1
{#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#}
1-(3,4-dihydro-2H-quinolin-1-yl)-2-[[4-ethyl-5-(furan-2-yl)-1,2,4-triazol-3-yl]sulfanyl]ethanone