Task: Answer the multiple choice question.
Query: Which drug has a -4.585\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. Cc1ccc2nsnc2c1N
b. Br.CCCCn1c(=N)n(CC(=O)c2ccco2)c2ccccc21
c. CCCCn1c(SCC(=O)OCC)nnc1-c1ccoc1C
d. Cc1ccc(-c2noc(CCC(=O)Nc3ccc(C)cn3)n2)cc1
Answer: b. Br.CCCCn1c(=N)n(CC(=O)c2ccco2)c2ccccc21
{#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#}
2-(3-butyl-2-iminobenzimidazol-1-yl)-1-(furan-2-yl)ethanone;hydrobromide