Task: Answer the MCQ question.
Query: Which compound has a -2.609\% 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(=O)CSC1=Nc1ccc(C(=O)O)cc1
[b] COc1cc(NC(=S)N2CCN(C(=O)c3ccco3)CC2)c(OC)cc1Cl
Answer: b. COc1cc(NC(=S)N2CCN(C(=O)c3ccco3)CC2)c(OC)cc1Cl
{#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(NC(=S)N2CCN(C(=O)c3ccco3)CC2)c(OC)cc1Cl
COc1cc(NC(=S)N2CCN(C(=O)c3ccco3)CC2)c(OC)cc1Cl
N-(4-chloro-2,5-dimethoxyphenyl)-4-(furan-2-carbonyl)piperazine-1-carbothioamide